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125142612 = 22377120983
BaseRepresentation
bin1110111010110…
…00011001010100
322201110220101120
413131120121110
5224014030422
620230123540
73046460160
oct735303124
9281426346
10125142612
1164704551
1235ab05b0
131cc078aa
1412897ca0
15aebe45c
hex7758654

125142612 has 48 divisors (see below), whose sum is σ = 338429952. Its totient is φ = 35249760.

The previous prime is 125142601. The next prime is 125142653. The reversal of 125142612 is 216241521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4528 + ... + 16455.

It is an arithmetic number, because the mean of its divisors is an integer number (7050624).

Almost surely, 2125142612 is an apocalyptic number.

125142612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125142612 is an abundant number, since it is smaller than the sum of its proper divisors (213287340).

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

125142612 is a wasteful number, since it uses less digits than its factorization.

125142612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068 (or 21066 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 125142612 is about 11186.7158719617. The cubic root of 125142612 is about 500.1900770656.

The spelling of 125142612 in words is "one hundred twenty-five million, one hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1988 2982 5964 20983 41966 62949 83932 125898 146881 251796 293762 440643 587524 881286 1489793 1762572 2979586 4469379 5959172 8938758 10428551 17877516 20857102 31285653 41714204 62571306 125142612