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316640716572 = 22326386726381
BaseRepresentation
bin1001001101110010100…
…00011110011100011100
31010021022020101000110010
410212321100132130130
520141440010412242
6401243541243220
731606436453115
oct4467120363434
91107266330403
10316640716572
1111231747aa24
125144a403510
1323b2256846b
141147b21920c
15838356689c
hex49b941e71c

316640716572 has 12 divisors (see below), whose sum is σ = 738828338696. Its totient is φ = 105546905520.

The previous prime is 316640716547. The next prime is 316640716573. The reversal of 316640716572 is 275617046613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3166407165722 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316640716573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13193363179 + ... + 13193363202.

Almost surely, 2316640716572 is an apocalyptic number.

It is an amenable number.

316640716572 is an abundant number, since it is smaller than the sum of its proper divisors (422187622124).

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

316640716572 is a wasteful number, since it uses less digits than its factorization.

316640716572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26386726388 (or 26386726386 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 316640716572 in words is "three hundred sixteen billion, six hundred forty million, seven hundred sixteen thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 26386726381 52773452762 79160179143 105546905524 158320358286 316640716572