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316616831257 = 13715115305111
BaseRepresentation
bin1001001101101111101…
…01010111000100011001
31010021020120102111221211
410212313311113010121
520141412402100012
6401241325303121
731606026442456
oct4466765270431
91107216374854
10316616831257
11112304a465a1
1251442404aa1
1323b1a62473c
1411477d9c82d
1583813e96a7
hex49b7d57119

316616831257 has 8 divisors (see below), whose sum is σ = 321040029312. Its totient is φ = 312224244000.

The previous prime is 316616831197. The next prime is 316616831303. The reversal of 316616831257 is 752138616613.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-316616831257 is a prime.

It is a super-2 number, since 2×3166168312572 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316616831257.

It is not an unprimeable number, because it can be changed into a prime (316616831057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7631869 + ... + 7673242.

It is an arithmetic number, because the mean of its divisors is an integer number (40130003664).

Almost surely, 2316616831257 is an apocalyptic number.

It is an amenable number.

316616831257 is a deficient number, since it is larger than the sum of its proper divisors (4423198055).

316616831257 is a wasteful number, since it uses less digits than its factorization.

316616831257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305399.

The product of its digits is 1088640, while the sum is 49.

The spelling of 316616831257 in words is "three hundred sixteen billion, six hundred sixteen million, eight hundred thirty-one thousand, two hundred fifty-seven".

Divisors: 1 137 151 20687 15305111 2096800207 2311071761 316616831257