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12768752695900 = 2252294403018171
BaseRepresentation
bin1011100111001111010011…
…1101111111101001011100
31200012200101022220022211211
42321303310331333221130
53133200401142232100
643053514540154204
72455340411061415
oct271636475775134
950180338808754
1012768752695900
11408321a01a533
121522805538964
1371811ba596b6
14322021db480c
15172227d571ba
hexb9cf4f7fa5c

12768752695900 has 36 divisors (see below), whose sum is σ = 28663648299720. Its totient is φ = 4931380350400.

The previous prime is 12768752695891. The next prime is 12768752695927. The reversal of 12768752695900 is 959625786721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2201506186 + ... + 2201511985.

It is an arithmetic number, because the mean of its divisors is an integer number (796212452770).

Almost surely, 212768752695900 is an apocalyptic number.

12768752695900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12768752695900 is an abundant number, since it is smaller than the sum of its proper divisors (15894895603820).

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

12768752695900 is a wasteful number, since it uses less digits than its factorization.

12768752695900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403018214 (or 4403018207 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 12768752695900 in words is "twelve trillion, seven hundred sixty-eight billion, seven hundred fifty-two million, six hundred ninety-five thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 4403018171 8806036342 17612072684 22015090855 44030181710 88060363420 110075454275 127687526959 220150908550 255375053918 440301817100 510750107836 638437634795 1276875269590 2553750539180 3192188173975 6384376347950 12768752695900