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316616774881 = 11231163751563
BaseRepresentation
bin1001001101101111101…
…01001001010011100001
31010021020120022122121211
410212313311021103201
520141412343244011
6401241324150121
731606026116221
oct4466765112341
91107216278554
10316616774881
11112304a08200
1251442398341
1323b1a604b94
1411477d86081
1583813d7b21
hex49b7d494e1

316616774881 has 24 divisors (see below), whose sum is σ = 359469556992. Its totient is φ = 278372925600.

The previous prime is 316616774879. The next prime is 316616774893. The reversal of 316616774881 is 188477616613.

It is a happy number.

It is not a de Polignac number, because 316616774881 - 21 = 316616774879 is a prime.

It is a super-2 number, since 2×3166167748812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316616774861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6114606 + ... + 6166168.

It is an arithmetic number, because the mean of its divisors is an integer number (14977898208).

Almost surely, 2316616774881 is an apocalyptic number.

316616774881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

316616774881 is a deficient number, since it is larger than the sum of its proper divisors (42852782111).

316616774881 is a wasteful number, since it uses less digits than its factorization.

316616774881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53253 (or 53242 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 58.

The spelling of 316616774881 in words is "three hundred sixteen billion, six hundred sixteen million, seven hundred seventy-four thousand, eight hundred eighty-one".

Divisors: 1 11 31 121 341 1637 3751 18007 50747 51563 198077 558217 567193 1598453 6140387 6239123 17582983 84408631 193412813 928494941 2616667561 10213444351 28783343171 316616774881