[go: up one dir, main page]

Search a number
-
+
1312250453 = 22717213359
BaseRepresentation
bin100111000110111…
…0101101001010101
310101110020020012122
41032031311221111
510141414003303
6334114025325
744342642033
oct11615655125
93343206178
101312250453
11613805208
12307578245
1317bb36c77
14c63cd553
157a30ee38
hex4e375a55

1312250453 has 8 divisors (see below), whose sum is σ = 1319189760. Its totient is φ = 1305321760.

The previous prime is 1312250419. The next prime is 1312250503. The reversal of 1312250453 is 3540522131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312250453 - 26 = 1312250389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312250353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388988 + ... + 392346.

It is an arithmetic number, because the mean of its divisors is an integer number (164898720).

Almost surely, 21312250453 is an apocalyptic number.

It is an amenable number.

1312250453 is a deficient number, since it is larger than the sum of its proper divisors (6939307).

1312250453 is a wasteful number, since it uses less digits than its factorization.

1312250453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1312250453 is about 36224.9976259489. The cubic root of 1312250453 is about 1094.8103903603.

Adding to 1312250453 its reverse (3540522131), we get a palindrome (4852772584).

The spelling of 1312250453 in words is "one billion, three hundred twelve million, two hundred fifty thousand, four hundred fifty-three".

Divisors: 1 227 1721 3359 390667 762493 5780839 1312250453