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49315898631 = 3137151179411
BaseRepresentation
bin101101111011011101…
…001110010100000111
311201021220120012222010
4231323131032110013
51301444332224011
634353322505303
73364044136056
oct557335162407
9151256505863
1049315898631
1119a075a261a
129683965233
13485c10900c
14255b93439d
1514397b31a6
hexb7b74e507

49315898631 has 16 divisors (see below), whose sum is σ = 66279161088. Its totient is φ = 32615275200.

The previous prime is 49315898629. The next prime is 49315898657. The reversal of 49315898631 is 13689851394.

It is not a de Polignac number, because 49315898631 - 21 = 49315898629 is a prime.

It is a super-2 number, since 2×493158986312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49315098631) 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, 581316 + ... + 660726.

It is an arithmetic number, because the mean of its divisors is an integer number (4142447568).

Almost surely, 249315898631 is an apocalyptic number.

49315898631 is a deficient number, since it is larger than the sum of its proper divisors (16963262457).

49315898631 is a wasteful number, since it uses less digits than its factorization.

49315898631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81062.

The product of its digits is 5598720, while the sum is 57.

The spelling of 49315898631 in words is "forty-nine billion, three hundred fifteen million, eight hundred ninety-eight thousand, six hundred thirty-one".

Divisors: 1 3 137 411 1511 4533 79411 207007 238233 621021 10879307 32637921 119990021 359970063 16438632877 49315898631