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12777775000149 = 343190152105481
BaseRepresentation
bin1011100111110000111010…
…1111010110101001010101
31200020112200002221212112110
42321330032233112221111
53133322340400001044
643102010115341233
72456110114306425
oct271741657265125
950215602855473
1012777775000149
114087029965225
121524502bb1819
13718c29018b73
1432263a354485
151725a4e8c6b9
hexb9f0ebd6a55

12777775000149 has 16 divisors (see below), whose sum is σ = 17442414310464. Its totient is φ = 8316034608000.

The previous prime is 12777775000117. The next prime is 12777775000201. The reversal of 12777775000149 is 94100057777721.

It is not a de Polignac number, because 12777775000149 - 25 = 12777775000117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12777775008149) 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, 25807512 + ... + 26297969.

It is an arithmetic number, because the mean of its divisors is an integer number (1090150894404).

Almost surely, 212777775000149 is an apocalyptic number.

It is an amenable number.

12777775000149 is a deficient number, since it is larger than the sum of its proper divisors (4664639310315).

12777775000149 is a wasteful number, since it uses less digits than its factorization.

12777775000149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52107428.

The product of its (nonzero) digits is 6050520, while the sum is 57.

The spelling of 12777775000149 in words is "twelve trillion, seven hundred seventy-seven billion, seven hundred seventy-five million, one hundred forty-nine", and thus it is an aban number.

Divisors: 1 3 43 129 1901 5703 81743 245229 52105481 156316443 2240535683 6721607049 99052519381 297157558143 4259258333383 12777775000149