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105937543872 = 263479258677
BaseRepresentation
bin110001010101001011…
…1101010001011000000
3101010102222011211020000
41202222113222023000
53213430002400442
6120400025120000
710440142160016
oct1425227521300
9333388154200
10105937543872
1140a22a88756
1218646329000
139cb397b604
1451ad8528b6
152b50636d4c
hex18aa5ea2c0

105937543872 has 140 divisors (see below), whose sum is σ = 318008386080. Its totient is φ = 34865385984.

The previous prime is 105937543849. The next prime is 105937543883. The reversal of 105937543872 is 278345739501.

105937543872 is a `hidden beast` number, since 1 + 0 + 5 + 93 + 7 + 543 + 8 + 7 + 2 = 666.

It is a super-2 number, since 2×1059375438722 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 280198 + ... + 538874.

It is an arithmetic number, because the mean of its divisors is an integer number (2271488472).

Almost surely, 2105937543872 is an apocalyptic number.

105937543872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105937543872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159004193040).

105937543872 is an abundant number, since it is smaller than the sum of its proper divisors (212070842208).

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

105937543872 is an equidigital number, since it uses as much as digits as its factorization.

105937543872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258780 (or 258761 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 105937543872 in words is "one hundred five billion, nine hundred thirty-seven million, five hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 79 81 96 108 144 158 162 192 216 237 288 316 324 432 474 576 632 648 711 864 948 1264 1296 1422 1728 1896 2133 2528 2592 2844 3792 4266 5056 5184 5688 6399 7584 8532 11376 12798 15168 17064 22752 25596 34128 45504 51192 68256 102384 136512 204768 258677 409536 517354 776031 1034708 1552062 2069416 2328093 3104124 4138832 4656186 6208248 6984279 8277664 9312372 12416496 13968558 16555328 18624744 20435483 20952837 24832992 27937116 37249488 40870966 41905674 49665984 55874232 61306449 74498976 81741932 83811348 111748464 122612898 148997952 163483864 167622696 183919347 223496928 245225796 326967728 335245392 367838694 446993856 490451592 551758041 653935456 670490784 735677388 980903184 1103516082 1307870912 1340981568 1471354776 1655274123 1961806368 2207032164 2942709552 3310548246 3923612736 4414064328 5885419104 6621096492 8828128656 11770838208 13242192984 17656257312 26484385968 35312514624 52968771936 105937543872