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1255353012 = 2233149181431
BaseRepresentation
bin100101011010011…
…0010101010110100
310020111011112121000
41022310302222310
510032332244022
6324322323300
743052216214
oct11264625264
93214145530
101255353012
11594683331
122b04b9530
13170105244
14bca1c244
15753216ac
hex4ad32ab4

1255353012 has 96 divisors (see below), whose sum is σ = 3302208000. Its totient is φ = 412387200.

The previous prime is 1255353007. The next prime is 1255353013. The reversal of 1255353012 is 2103535521.

It is a happy number.

1255353012 is a `hidden beast` number, since 125 + 5 + 3 + 530 + 1 + 2 = 666.

It is a super-2 number, since 2×12553530122 = 3151822369474944288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255353013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2912437 + ... + 2912867.

It is an arithmetic number, because the mean of its divisors is an integer number (34398000).

Almost surely, 21255353012 is an apocalyptic number.

1255353012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255353012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651104000).

1255353012 is an abundant number, since it is smaller than the sum of its proper divisors (2046854988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255353012 is a wasteful number, since it uses less digits than its factorization.

1255353012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1255353012 is about 35430.9612062670. The cubic root of 1255353012 is about 1078.7528505094.

Adding to 1255353012 its reverse (2103535521), we get a palindrome (3358888533).

The spelling of 1255353012 in words is "one billion, two hundred fifty-five million, three hundred fifty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 149 181 298 362 431 447 543 596 724 862 894 1086 1293 1341 1629 1724 1788 2172 2586 2682 3258 3879 4023 4887 5172 5364 6516 7758 8046 9774 11637 15516 16092 19548 23274 26969 46548 53938 64219 78011 80907 107876 128438 156022 161814 192657 234033 242721 256876 312044 323628 385314 468066 485442 577971 702099 728163 770628 936132 970884 1155942 1404198 1456326 1733913 2106297 2311884 2808396 2912652 3467826 4212594 6935652 8425188 11623639 23247278 34870917 46494556 69741834 104612751 139483668 209225502 313838253 418451004 627676506 1255353012