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51022078839205 = 5471913113494631
BaseRepresentation
bin10111001100111100000001…
…11000101000100110100101
320200122122220101210221011021
423212132000320220212211
523141421204140323310
6300303115222011141
713514136451255555
oct1346360070504645
9220578811727137
1051022078839205
11152913843a8731
125880506b76ab1
132261490c856c6
14c856a6075165
155d73048c95da
hex2e6780e289a5

51022078839205 has 16 divisors (see below), whose sum is σ = 62561872986624. Its totient is φ = 39928318791040.

The previous prime is 51022078839197. The next prime is 51022078839209. The reversal of 51022078839205 is 50293887022015.

It is not a de Polignac number, because 51022078839205 - 23 = 51022078839197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022078839209) 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, 56297761 + ... + 57196870.

It is an arithmetic number, because the mean of its divisors is an integer number (3910117061664).

Almost surely, 251022078839205 is an apocalyptic number.

It is an amenable number.

51022078839205 is a deficient number, since it is larger than the sum of its proper divisors (11539794147419).

51022078839205 is a wasteful number, since it uses less digits than its factorization.

51022078839205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113496596.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 51022078839205 in words is "fifty-one trillion, twenty-two billion, seventy-eight million, eight hundred thirty-nine thousand, two hundred five".

Divisors: 1 5 47 235 1913 9565 89911 449555 113494631 567473155 5334247657 26671238285 217115229103 1085576145515 10204415767841 51022078839205