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51244161034145 = 579213236084137
BaseRepresentation
bin10111010011011001101100…
…00000111110011110100001
320201102220010200122100101112
423221230312000332132201
523204041020211043040
6300553124222113105
713536161036625632
oct1351546600763641
9221386120570345
1051244161034145
1115367587a75812
1258b7565a1b795
1322793c4175001
14c92332bb1889
155dcea17b6365
hex2e9b3603e7a1

51244161034145 has 16 divisors (see below), whose sum is σ = 62274316181760. Its totient is φ = 40474495711104.

The previous prime is 51244161034127. The next prime is 51244161034163. The reversal of 51244161034145 is 54143016144215.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51244161034127) and next prime (51244161034163).

It is a cyclic number.

It is not a de Polignac number, because 51244161034145 - 214 = 51244161017761 is a prime.

It is a Curzon 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, 5380517 + ... + 11464653.

It is an arithmetic number, because the mean of its divisors is an integer number (3892144761360).

Almost surely, 251244161034145 is an apocalyptic number.

It is an amenable number.

51244161034145 is a deficient number, since it is larger than the sum of its proper divisors (11030155147615).

51244161034145 is a wasteful number, since it uses less digits than its factorization.

51244161034145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105544.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 51244161034145 in words is "fifty-one trillion, two hundred forty-four billion, one hundred sixty-one million, thirty-four thousand, one hundred forty-five".

Divisors: 1 5 79 395 21323 106615 1684517 6084137 8422585 30420685 480646823 2403234115 129732053251 648660266255 10248832206829 51244161034145