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52951000908 = 22313226109961
BaseRepresentation
bin110001010100001000…
…000010011101001100
312001200020122112211210
4301110020002131030
51331420424012113
640154135414420
73553114036641
oct612410023514
9161606575753
1052951000908
1120502506783
12a319224410
134cbb259600
1427c461ddc8
15159d9aa6c3
hexc5420274c

52951000908 has 36 divisors (see below), whose sum is σ = 133787445288. Its totient is φ = 16292615040.

The previous prime is 52951000901. The next prime is 52951000909. The reversal of 52951000908 is 80900015925.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (52951000901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13052953 + ... + 13057008.

Almost surely, 252951000908 is an apocalyptic number.

It is an amenable number.

52951000908 is an abundant number, since it is smaller than the sum of its proper divisors (80836444380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52951000908 is a wasteful number, since it uses less digits than its factorization.

52951000908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26109994 (or 26109979 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 52951000908 in words is "fifty-two billion, nine hundred fifty-one million, nine hundred eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 26109961 52219922 78329883 104439844 156659766 313319532 339429493 678858986 1018288479 1357717972 2036576958 4073153916 4412583409 8825166818 13237750227 17650333636 26475500454 52951000908