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53143510544 = 24412891492
BaseRepresentation
bin110001011111100110…
…011001111000010000
312002011122220001102022
4301133212121320100
51332314214314134
640225213511012
73560642246345
oct613746317020
9162148801368
1053143510544
11205a1143053
12a3717a2468
13501c0c0437
1428020127cc
1515b083552e
hexc5f999e10

53143510544 has 90 divisors (see below), whose sum is σ = 107445056670. Its totient is φ = 25460357120.

The previous prime is 53143510531. The next prime is 53143510597. The reversal of 53143510544 is 44501534135.

53143510544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 53135782144 + 7728400 = 230512^2 + 2780^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 356667782 + ... + 356667930.

It is an arithmetic number, because the mean of its divisors is an integer number (1193833963).

Almost surely, 253143510544 is an apocalyptic number.

It is an amenable number.

53143510544 is an abundant number, since it is smaller than the sum of its proper divisors (54301546126).

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

53143510544 is an equidigital number, since it uses as much as digits as its factorization.

53143510544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 53143510544 in words is "fifty-three billion, one hundred forty-three million, five hundred ten thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 41 82 89 149 164 178 298 328 356 596 656 712 1192 1424 1681 2384 3362 3649 6109 6724 7298 12218 13261 13448 14596 22201 24436 26522 26896 29192 44402 48872 53044 58384 88804 97744 106088 149609 177608 212176 250469 299218 355216 500938 543701 598436 910241 1001876 1087402 1196872 1820482 1975889 2003752 2174804 2393744 3640964 3951778 4007504 4349608 7281928 7903556 8699216 14563856 15807112 22291741 31614224 37319881 44583482 74639762 81011449 89166964 149279524 162022898 178333928 298559048 324045796 356667856 597118096 648091592 1296183184 3321469409 6642938818 13285877636 26571755272 53143510544