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212550504405040 = 24523199580485319
BaseRepresentation
bin110000010101000001000101…
…010011111101100000110000
31000212120122000002212110212101
4300111001011103331200300
5210324411413111430130
62032020204223310144
762525160433504114
oct6025010523754060
91025518002773771
10212550504405040
11617a818761366a
121ba09865a4b354
13917a571204369
143a6b6dc137744
151988dd68c11ca
hexc150454fd830

212550504405040 has 80 divisors (see below), whose sum is σ = 518257293696000. Its totient is φ = 80915009446656.

The previous prime is 212550504404993. The next prime is 212550504405047. The reversal of 212550504405040 is 40504405055212.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (212550504405047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289876500 + ... + 290608819.

It is an arithmetic number, because the mean of its divisors is an integer number (6478216171200).

Almost surely, 2212550504405040 is an apocalyptic number.

212550504405040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212550504405040 is an abundant number, since it is smaller than the sum of its proper divisors (305706789290960).

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

212550504405040 is a wasteful number, since it uses less digits than its factorization.

212550504405040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580485554 (or 580485548 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 212550504405040 in words is "two hundred twelve trillion, five hundred fifty billion, five hundred four million, four hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 199 230 368 398 460 796 920 995 1592 1840 1990 3184 3980 4577 7960 9154 15920 18308 22885 36616 45770 73232 91540 183080 366160 580485319 1160970638 2321941276 2902426595 4643882552 5804853190 9287765104 11609706380 13351162337 23219412760 26702324674 46438825520 53404649348 66755811685 106809298696 115516578481 133511623370 213618597392 231033156962 267023246740 462066313924 534046493480 577582892405 924132627848 1068092986960 1155165784810 1848265255696 2310331569620 2656881305063 4620663139240 5313762610126 9241326278480 10627525220252 13284406525315 21255050440504 26568813050630 42510100881008 53137626101260 106275252202520 212550504405040