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90083572880 = 24571133494079
BaseRepresentation
bin101001111100101100…
…1100011110010010000
322121112002010122120012
41103321121203302100
52433442343313010
6105214523334052
76336232510160
oct1237131436220
9277462118505
1090083572880
1135227912694
1215560981328
1386582339a2
1445080545a0
152523889005
hex14f9663c90

90083572880 has 160 divisors (see below), whose sum is σ = 242234496000. Its totient is φ = 30517272576.

The previous prime is 90083572879. The next prime is 90083572897. The reversal of 90083572880 is 8827538009.

It is a super-3 number, since 3×900835728803 (a number of 34 digits) contains 333 as substring.

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, 22082681 + ... + 22086759.

It is an arithmetic number, because the mean of its divisors is an integer number (1513965600).

Almost surely, 290083572880 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 90083572880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121117248000).

90083572880 is an abundant number, since it is smaller than the sum of its proper divisors (152150923120).

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

90083572880 is a wasteful number, since it uses less digits than its factorization.

90083572880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561 (or 4555 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 90083572880 in words is "ninety billion, eighty-three million, five hundred seventy-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 113 140 226 280 349 452 560 565 698 791 904 1130 1396 1582 1745 1808 2260 2443 2792 3164 3490 3955 4079 4520 4886 5584 6328 6980 7910 8158 9040 9772 12215 12656 13960 15820 16316 19544 20395 24430 27920 28553 31640 32632 39088 39437 40790 48860 57106 63280 65264 78874 81580 97720 114212 142765 157748 163160 195440 197185 228424 276059 285530 315496 326320 394370 456848 460927 552118 571060 630992 788740 921854 1104236 1142120 1380295 1423571 1577480 1843708 2208472 2284240 2304635 2760590 2847142 3154960 3226489 3687416 4416944 4609270 5521180 5694284 6452978 7117855 7374832 9218540 9964997 11042360 11388568 12905956 14235710 16132445 18437080 19929994 22084720 22777136 25811912 28471420 32264890 36874160 39859988 49824985 51623824 56942840 64529780 79719976 99649970 113885680 129059560 159439952 160863523 199299940 258119120 321727046 398599880 643454092 797199760 804317615 1126044661 1286908184 1608635230 2252089322 2573816368 3217270460 4504178644 5630223305 6434540920 9008357288 11260446610 12869081840 18016714576 22520893220 45041786440 90083572880