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12477102644 = 225952869079
BaseRepresentation
bin10111001111011000…
…10111101000110100
31012012112212111010202
423213230113220310
5201023114241034
65422031340032
7621123423356
oct134754275064
935175774122
1012477102644
115322aa9986
122502681618
13123ac60796
148651330d6
154d05b447e
hex2e7b17a34

12477102644 has 12 divisors (see below), whose sum is σ = 22205013600. Its totient is φ = 6132813048.

The previous prime is 12477102637. The next prime is 12477102661. The reversal of 12477102644 is 44620177421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12477102598 and 12477102607.

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 3 ways as a sum of consecutive naturals, for example, 26434304 + ... + 26434775.

It is an arithmetic number, because the mean of its divisors is an integer number (1850417800).

Almost surely, 212477102644 is an apocalyptic number.

It is an amenable number.

12477102644 is a deficient number, since it is larger than the sum of its proper divisors (9727910956).

12477102644 is a wasteful number, since it uses less digits than its factorization.

12477102644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52869142 (or 52869140 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 12477102644 in words is "twelve billion, four hundred seventy-seven million, one hundred two thousand, six hundred forty-four".

Divisors: 1 2 4 59 118 236 52869079 105738158 211476316 3119275661 6238551322 12477102644