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51130656251112 = 2336525913264593
BaseRepresentation
bin10111010000000110010001…
…00110100101110011101000
320201001001011100100221112110
423220003020212211303220
523200211041000013422
6300425033232442320
713525032220115064
oct1350031046456350
9221031140327473
1051130656251112
11153234315312a9
1258995693a93a0
13226b7a58256b9
14c8aa46346aa4
155da05bb6960c
hex2e80c89a5ce8

51130656251112 has 32 divisors (see below), whose sum is σ = 127826875658880. Its totient is φ = 17043520746240.

The previous prime is 51130656251099. The next prime is 51130656251113. The reversal of 51130656251112 is 21115265603115.

It is a super-2 number, since 2×511306562511122 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51130656251113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029888 + ... + 17294480.

It is an arithmetic number, because the mean of its divisors is an integer number (3994589864340).

Almost surely, 251130656251112 is an apocalyptic number.

It is an amenable number.

51130656251112 is an abundant number, since it is smaller than the sum of its proper divisors (76696219407768).

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

51130656251112 is a wasteful number, since it uses less digits than its factorization.

51130656251112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917193 (or 3917189 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 51130656251112 in words is "fifty-one trillion, one hundred thirty billion, six hundred fifty-six million, two hundred fifty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 652591 1305182 1957773 2610364 3264593 3915546 5220728 6529186 7831092 9793779 13058372 15662184 19587558 26116744 39175116 78350232 2130444010463 4260888020926 6391332031389 8521776041852 12782664062778 17043552083704 25565328125556 51130656251112