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20070174184164 = 2232131811528915497
BaseRepresentation
bin1001001000000111100111…
…00110100101001011100100
32122001200121221120102021200
410210003303212211023210
510112312204042343124
6110404035530242500
74141010424525036
oct444036346451344
978050557512250
1020070174184164
11643879310a265
122301898886430
13b277bc847030
144d558a055c56
1524c110901bc9
hex1240f39a52e4

20070174184164 has 144 divisors (see below), whose sum is σ = 54944466136560. Its totient is φ = 6140521820160.

The previous prime is 20070174184139. The next prime is 20070174184187. The reversal of 20070174184164 is 46148147107002.

20070174184164 is a `hidden beast` number, since 2 + 0 + 0 + 70 + 1 + 7 + 418 + 4 + 164 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 560638542564 + 19509535641600 = 748758^2 + 4416960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1295092864 + ... + 1295108360.

It is an arithmetic number, because the mean of its divisors is an integer number (381558792615).

Almost surely, 220070174184164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20070174184164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27472233068280).

20070174184164 is an abundant number, since it is smaller than the sum of its proper divisors (34874291952396).

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

20070174184164 is a wasteful number, since it uses less digits than its factorization.

20070174184164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30990 (or 30985 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 20070174184164 in words is "twenty trillion, seventy billion, one hundred seventy-four million, one hundred eighty-four thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 181 234 362 468 543 724 1086 1629 2172 2353 3258 4706 6516 7059 9412 14118 15289 15497 21177 28236 30578 30994 42354 45867 46491 61156 61988 84708 91734 92982 137601 139473 183468 185964 198757 201461 275202 278946 397514 402922 550404 557892 596271 604383 795028 805844 1192542 1208766 1788813 1813149 2385084 2417532 2767309 2804957 3577626 3626298 5534618 5609914 7155252 7252596 8301927 8414871 11069236 11219828 16603854 16829742 24905781 25244613 33207708 33659484 35975017 36464441 49811562 50489226 71950034 72928882 99623124 100978452 107925051 109393323 143900068 145857764 215850102 218786646 236933633 323775153 328179969 431700204 437573292 473867266 647550306 656359938 710800899 947734532 1295100612 1312719876 1421601798 2132402697 2843203596 3080137229 4264805394 6160274458 8529610788 9240411687 12320548916 18480823374 27721235061 36961646748 42884987573 55442470122 85769975146 110884940244 128654962719 171539950292 257309925438 385964888157 514619850876 557504838449 771929776314 1115009676898 1543859552628 1672514515347 2230019353796 3345029030694 5017543546041 6690058061388 10035087092082 20070174184164