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138983983320 = 233571312727471
BaseRepresentation
bin1000000101110000010…
…1110100100011011000
3111021202000212212212210
42001130011310203120
54234114344431240
6143503125035120
713020103236360
oct2013405644330
9437660785783
10138983983320
1153a40920836
1222b29555aa0
131014c2377b0
146a267119a0
153936929780
hex205c1748d8

138983983320 has 128 divisors (see below), whose sum is σ = 513171671040. Its totient is φ = 29324090880.

The previous prime is 138983983277. The next prime is 138983983339. The reversal of 138983983320 is 23389389831.

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, 6352816 + ... + 6374655.

It is an arithmetic number, because the mean of its divisors is an integer number (4009153680).

Almost surely, 2138983983320 is an apocalyptic number.

138983983320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138983983320 is an abundant number, since it is smaller than the sum of its proper divisors (374187687720).

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

138983983320 is a wasteful number, since it uses less digits than its factorization.

138983983320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727505 (or 12727501 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 138983983320 in words is "one hundred thirty-eight billion, nine hundred eighty-three million, nine hundred eighty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 2184 2730 3640 5460 10920 12727471 25454942 38182413 50909884 63637355 76364826 89092297 101819768 127274710 152729652 165457123 178184594 190912065 254549420 267276891 305459304 330914246 356369188 381824130 445461485 496371369 509098840 534553782 661828492 712738376 763648260 827285615 890922970 992742738 1069107564 1158199861 1323656984 1336384455 1527296520 1654571230 1781845940 1985485476 2138215128 2316399722 2481856845 2672768910 3309142460 3474599583 3563691880 3970970952 4632799444 4963713690 5345537820 5790999305 6618284920 6949199166 9265598888 9927427380 10691075640 11581998610 13898398332 17372997915 19854854760 23163997220 27796796664 34745995830 46327994440 69491991660 138983983320