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20104925961912 = 23311761353928277
BaseRepresentation
bin1001001001001000010101…
…11110000101111010111000
32122012000022212011122022020
410210210022332011322320
510113344342021240122
6110432024145354440
74143350544002241
oct444441276057270
978160285148266
1020104925961912
1164514a6631240
122308577038a20
13b2ab6a4cb52c
144d71255c9cc8
1524ce9679ec5c
hex12490af85eb8

20104925961912 has 128 divisors (see below), whose sum is σ = 54921124396800. Its totient is φ = 6082461670400.

The previous prime is 20104925961853. The next prime is 20104925961929. The reversal of 20104925961912 is 21916952940102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710985118 + ... + 711013394.

It is an arithmetic number, because the mean of its divisors is an integer number (429071284350).

Almost surely, 220104925961912 is an apocalyptic number.

20104925961912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20104925961912 is an abundant number, since it is smaller than the sum of its proper divisors (34816198434888).

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

20104925961912 is a wasteful number, since it uses less digits than its factorization.

20104925961912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32597 (or 32593 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 20104925961912 in words is "twenty trillion, one hundred four billion, nine hundred twenty-five million, nine hundred sixty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 761 1522 2283 3044 3539 4566 6088 7078 8371 9132 10617 14156 16742 18264 21234 25113 28277 28312 33484 38929 42468 50226 56554 66968 77858 84831 84936 100452 113108 116787 155716 169662 200904 226216 233574 311047 311432 339324 467148 622094 678648 933141 934296 1244188 1866282 2488376 2693179 3732564 5386358 7465128 8079537 10772716 16159074 21518797 21545432 29624969 32318148 43037594 59249938 64556391 64636296 86075188 88874907 100072303 118499876 129112782 172150376 177749814 200144606 236706767 236999752 258225564 300216909 355499628 400289212 473413534 516451128 600433818 710120301 710999256 800578424 946827068 1100795333 1200867636 1420240602 1893654136 2201590666 2401735272 2840481204 3302385999 4403181332 5680962408 6604771998 8806362664 13209543996 26419087992 76155022583 152310045166 228465067749 304620090332 456930135498 609240180664 837705248413 913860270996 1675410496826 1827720541992 2513115745239 3350820993652 5026231490478 6701641987304 10052462980956 20104925961912