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51725117312344 = 23782710069110923
BaseRepresentation
bin10111100001011001100010…
…01111100100110101011000
320210010212120100201202110101
423300230301033210311120
523234431020012443334
6302002105120225144
713616005424553430
oct1360546117446530
9223125510652411
1051725117312344
1115532554285153
12597481116b1b4
1322b2871a87738
14cab71ab192c0
155ea7505c5214
hex2f0b313e4d58

51725117312344 has 64 divisors (see below), whose sum is σ = 110985585004800. Its totient is φ = 22138703685504.

The previous prime is 51725117312273. The next prime is 51725117312359. The reversal of 51725117312344 is 44321371152715.

51725117312344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51725117312294 and 51725117312303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466260067 + ... + 466370989.

It is an arithmetic number, because the mean of its divisors is an integer number (1734149765700).

Almost surely, 251725117312344 is an apocalyptic number.

It is an amenable number.

51725117312344 is an abundant number, since it is smaller than the sum of its proper divisors (59260467692456).

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

51725117312344 is a wasteful number, since it uses less digits than its factorization.

51725117312344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121832 (or 121828 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The spelling of 51725117312344 in words is "fifty-one trillion, seven hundred twenty-five billion, one hundred seventeen million, three hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 827 1654 3308 5789 6616 10069 11578 20138 23156 40276 46312 70483 80552 110923 140966 221846 281932 443692 563864 776461 887384 1552922 3105844 6211688 8327063 16654126 33308252 58289441 66616504 91733321 116578882 183466642 233157764 366933284 466315528 642133247 733866568 1116883687 1284266494 2233767374 2568532988 4467534748 5137065976 7818185809 8935069496 15636371618 31272743236 62545486472 923662809149 1847325618298 3694651236596 6465639664043 7389302473192 12931279328086 25862558656172 51725117312344