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51224520060 = 22325740654381
BaseRepresentation
bin101111101101001110…
…000010010101111100
311220012220222020100200
4233231032002111330
51314401434120220
635310543123500
73462251144040
oct575516022574
9156186866320
1051224520060
111a7a69a70aa
129b16ba3590
134aa466aacc
14269d204020
1514ec125890
hexbed38257c

51224520060 has 72 divisors (see below), whose sum is σ = 177578340576. Its totient is φ = 11708461440.

The previous prime is 51224520043. The next prime is 51224520073. The reversal of 51224520060 is 6002542215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20325931 + ... + 20328450.

Almost surely, 251224520060 is an apocalyptic number.

It is an amenable number.

51224520060 is an abundant number, since it is smaller than the sum of its proper divisors (126353820516).

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

51224520060 is a wasteful number, since it uses less digits than its factorization.

51224520060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40654403 (or 40654398 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 51224520060 in words is "fifty-one billion, two hundred twenty-four million, five hundred twenty thousand, sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 40654381 81308762 121963143 162617524 203271905 243926286 284580667 365889429 406543810 487852572 569161334 609815715 731778858 813087620 853742001 1138322668 1219631430 1422903335 1463557716 1707484002 1829447145 2439262860 2561226003 2845806670 3414968004 3658894290 4268710005 5122452006 5691613340 7317788580 8537420010 10244904012 12806130015 17074840020 25612260030 51224520060