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54131543260 = 22529233400559
BaseRepresentation
bin110010011010011111…
…011100110011011100
312011201112001022111121
4302122133130303130
51341330133341020
640511230500324
73624300345244
oct623237346334
9164645038447
1054131543260
1120a58932713
12a5a86646a4
1351489ca492
142897326b24
15161c450baa
hexc9a7dccdc

54131543260 has 48 divisors (see below), whose sum is σ = 118101110400. Its totient is φ = 20816198144.

The previous prime is 54131543251. The next prime is 54131543273. The reversal of 54131543260 is 6234513145.

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, 65140 + ... + 335419.

It is an arithmetic number, because the mean of its divisors is an integer number (2460439800).

Almost surely, 254131543260 is an apocalyptic number.

It is an amenable number.

54131543260 is an abundant number, since it is smaller than the sum of its proper divisors (63969567140).

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

54131543260 is a wasteful number, since it uses less digits than its factorization.

54131543260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400830 (or 400828 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 54131543260 in words is "fifty-four billion, one hundred thirty-one million, five hundred forty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 233 290 466 580 932 1165 2330 4660 6757 13514 27028 33785 67570 135140 400559 801118 1602236 2002795 4005590 8011180 11616211 23232422 46464844 58081055 93330247 116162110 186660494 232324220 373320988 466651235 933302470 1866604940 2706577163 5413154326 10826308652 13532885815 27065771630 54131543260