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105828521922 = 2346124192
BaseRepresentation
bin110001010001111011…
…1110001011111000010
3101010011101000221020000
41202203313301133002
53213214100200142
6120341132300430
710434346410534
oct1424367613702
9333141027200
10105828521922
1140977494972
1218615911716
139c971c9496
14519d193854
152b45c9e14c
hex18a3df17c2

105828521922 has 90 divisors (see below), whose sum is σ = 241662212649. Its totient is φ = 34615064880.

The previous prime is 105828521891. The next prime is 105828521927. The reversal of 105828521922 is 229125828501.

105828521922 is a `hidden beast` number, since 1 + 0 + 582 + 8 + 52 + 19 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71685243081 + 34143278841 = 267741^2 + 184779^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=230031.

It is a super-2 number, since 2×1058285219222 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105828521927) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 252573829 + ... + 252574247.

Almost surely, 2105828521922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105828521922

105828521922 is an abundant number, since it is smaller than the sum of its proper divisors (135833690727).

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

105828521922 is an frugal number, since it uses more digits than its factorization.

105828521922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 105828521922 in words is "one hundred five billion, eight hundred twenty-eight million, five hundred twenty-one thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 61 81 122 162 183 366 419 549 838 1098 1257 1647 2514 3294 3721 3771 4941 7442 7542 9882 11163 11313 22326 22626 25559 33489 33939 51118 66978 67878 76677 100467 153354 175561 200934 230031 301401 351122 460062 526683 602802 690093 1053366 1380186 1559099 1580049 2070279 3118198 3160098 4140558 4677297 4740147 9354594 9480294 10709221 14031891 14220441 21418442 28063782 28440882 32127663 42095673 64255326 84191346 96382989 126287019 192765978 252574038 289148967 578297934 653262481 867446901 1306524962 1734893802 1959787443 3919574886 5879362329 11758724658 17638086987 35276173974 52914260961 105828521922