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316438749042 = 231331130867969
BaseRepresentation
bin1001001101011010011…
…10000001111101110010
31010020210011100000002020
410212231032001331302
520141031304432132
6401211524332310
731601434662363
oct4465516017562
91106704300066
10316438749042
11112223473809
12513b2844096
1323abc772750
141145c483b6a
15837096e52c
hex49ad381f72

316438749042 has 32 divisors (see below), whose sum is σ = 703546206720. Its totient is φ = 94224936960.

The previous prime is 316438749031. The next prime is 316438749047. The reversal of 316438749042 is 240947834613.

It is a happy number.

316438749042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (316438749047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65431567 + ... + 65436402.

It is an arithmetic number, because the mean of its divisors is an integer number (21985818960).

Almost surely, 2316438749042 is an apocalyptic number.

316438749042 is an abundant number, since it is smaller than the sum of its proper divisors (387107457678).

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

316438749042 is a wasteful number, since it uses less digits than its factorization.

316438749042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130868018.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 316438749042 in words is "three hundred sixteen billion, four hundred thirty-eight million, seven hundred forty-nine thousand, forty-two".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 130867969 261735938 392603907 785207814 1701283597 3402567194 4056907039 5103850791 8113814078 10207701582 12170721117 24341442234 52739791507 105479583014 158219374521 316438749042