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316115553605 = 5172218765089
BaseRepresentation
bin1001001100110011111…
…01001000110101000101
31010012221122011222021212
410212121331020311011
520134401040203410
6401115501221205
731560431604545
oct4463175106505
91105848158255
10316115553605
11112077a97245
1251322561805
1323a6a812c47
141142b593325
1583523ccb05
hex4999f48d45

316115553605 has 12 divisors (see below), whose sum is σ = 402965295780. Its totient is φ = 238016415744.

The previous prime is 316115553583. The next prime is 316115553643. The reversal of 316115553605 is 506355511613.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7261937089 + 308853616516 = 85217^2 + 555746^2 .

It is a de Polignac number, because none of the positive numbers 2k-316115553605 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 109381100 + ... + 109383989.

It is an arithmetic number, because the mean of its divisors is an integer number (33580441315).

Almost surely, 2316115553605 is an apocalyptic number.

It is an amenable number.

316115553605 is a deficient number, since it is larger than the sum of its proper divisors (86849742175).

316115553605 is a wasteful number, since it uses less digits than its factorization.

316115553605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218765128 (or 218765111 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 41.

The spelling of 316115553605 in words is "three hundred sixteen billion, one hundred fifteen million, five hundred fifty-three thousand, six hundred five".

Divisors: 1 5 17 85 289 1445 218765089 1093825445 3719006513 18595032565 63223110721 316115553605