[go: up one dir, main page]

Search a number
-
+
1011210252 = 2231317381301
BaseRepresentation
bin111100010001011…
…101100000001100
32121110202210200120
4330101131200030
54032332212002
6244201424540
734026100563
oct7421354014
92543683616
101011210252
11479890258
1224279b150
13131663880
1498428bda
155db97cbc
hex3c45d80c

1011210252 has 48 divisors (see below), whose sum is σ = 2690466912. Its totient is φ = 292838400.

The previous prime is 1011210227. The next prime is 1011210281. The reversal of 1011210252 is 2520121101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187999 + ... + 193302.

It is an arithmetic number, because the mean of its divisors is an integer number (56051394).

Almost surely, 21011210252 is an apocalyptic number.

1011210252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011210252 is an abundant number, since it is smaller than the sum of its proper divisors (1679256660).

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

1011210252 is a wasteful number, since it uses less digits than its factorization.

1011210252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381338 (or 381336 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1011210252 is about 31799.5322607110. The cubic root of 1011210252 is about 1003.7228736788.

Adding to 1011210252 its reverse (2520121101), we get a palindrome (3531331353).

The spelling of 1011210252 in words is "one billion, eleven million, two hundred ten thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 381301 762602 1143903 1525204 2287806 4575612 4956913 6482117 9913826 12964234 14870739 19446351 19827652 25928468 29741478 38892702 59482956 77785404 84267521 168535042 252802563 337070084 505605126 1011210252