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12900062347389 = 327204762894403
BaseRepresentation
bin1011101110111000011110…
…1000100100000001111101
31200200020022112011202120100
42323232013220210001331
53142323311430104024
643234112401511313
72500666366514610
oct273560750440175
950606275152510
1012900062347389
114123981989168
121544150942539
13727617068229
1432851b394177
15175860b657c9
hexbbb87a2407d

12900062347389 has 12 divisors (see below), whose sum is σ = 21295341018016. Its totient is φ = 7371464198472.

The previous prime is 12900062347363. The next prime is 12900062347421. The reversal of 12900062347389 is 98374326000921.

12900062347389 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 0 + 0 + 623 + 4 + 7 + 3 + 8 + 9 = 666.

It is not a de Polignac number, because 12900062347389 - 25 = 12900062347357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900062347309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102381447139 + ... + 102381447264.

Almost surely, 212900062347389 is an apocalyptic number.

It is an amenable number.

12900062347389 is a deficient number, since it is larger than the sum of its proper divisors (8395278670627).

12900062347389 is a wasteful number, since it uses less digits than its factorization.

12900062347389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204762894416 (or 204762894413 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 12900062347389 in words is "twelve trillion, nine hundred billion, sixty-two million, three hundred forty-seven thousand, three hundred eighty-nine".

Divisors: 1 3 7 9 21 63 204762894403 614288683209 1433340260821 1842866049627 4300020782463 12900062347389