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52791317630 = 2531170294573
BaseRepresentation
bin110001001010100110…
…111001010001111110
312001021010011210120022
4301022212321101332
51331104034131010
640130233052142
73546134540012
oct611246712176
9161233153508
1052791317630
1120430360327
12a293857052
134c9414a06c
1427ab334542
15158e966d55
hexc4a9b947e

52791317630 has 16 divisors (see below), whose sum is σ = 98089674624. Its totient is φ = 20435348640.

The previous prime is 52791317629. The next prime is 52791317687. The reversal of 52791317630 is 3671319725.

It is a super-2 number, since 2×527913176302 (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 85146977 + ... + 85147596.

It is an arithmetic number, because the mean of its divisors is an integer number (6130604664).

Almost surely, 252791317630 is an apocalyptic number.

52791317630 is a deficient number, since it is larger than the sum of its proper divisors (45298356994).

52791317630 is a wasteful number, since it uses less digits than its factorization.

52791317630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170294611.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 52791317630 in words is "fifty-two billion, seven hundred ninety-one million, three hundred seventeen thousand, six hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 170294573 340589146 851472865 1702945730 5279131763 10558263526 26395658815 52791317630