Search a number
-
+
13157030452 = 22151101921377
BaseRepresentation
bin11000100000011100…
…00101101000110100
31020221221021101202011
430100032011220310
5203421144433302
610013320454004
7644020625236
oct142016055064
936857241664
1013157030452
115641889795
12267231a304
131318a92927
148cb564256
1552011e5d7
hex310385a34

13157030452 has 24 divisors (see below), whose sum is σ = 23201115840. Its totient is φ = 6528230400.

The previous prime is 13157030443. The next prime is 13157030459. The reversal of 13157030452 is 25403075131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157030459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 604788 + ... + 626164.

It is an arithmetic number, because the mean of its divisors is an integer number (966713160).

Almost surely, 213157030452 is an apocalyptic number.

It is an amenable number.

13157030452 is a deficient number, since it is larger than the sum of its proper divisors (10044085388).

13157030452 is a wasteful number, since it uses less digits than its factorization.

13157030452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22551 (or 22549 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 13157030452 in words is "thirteen billion, one hundred fifty-seven million, thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 151 302 604 1019 2038 4076 21377 42754 85508 153869 307738 615476 3227927 6455854 12911708 21783163 43566326 87132652 3289257613 6578515226 13157030452