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105189617832 = 23313675032033
BaseRepresentation
bin110000111110111001…
…0100011000010101000
3101001111211211020120120
41201331302203002220
53210412020232312
6120153510323240
710412460666435
oct1417562430250
9331454736516
10105189617832
1140679884862
1218477959520
139bc4a2bb20
14513c3a0b8c
152b09b4928c
hex187dca30a8

105189617832 has 64 divisors (see below), whose sum is σ = 287429782080. Its totient is φ = 31882954752.

The previous prime is 105189617831. The next prime is 105189617839. The reversal of 105189617832 is 238716981501.

It is a super-2 number, since 2×1051896178322 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105189617831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2495113 + ... + 2536920.

It is an arithmetic number, because the mean of its divisors is an integer number (4491090345).

Almost surely, 2105189617832 is an apocalyptic number.

105189617832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105189617832 is an abundant number, since it is smaller than the sum of its proper divisors (182240164248).

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

105189617832 is a wasteful number, since it uses less digits than its factorization.

105189617832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032122 (or 5032118 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 105189617832 in words is "one hundred five billion, one hundred eighty-nine million, six hundred seventeen thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 67 78 104 134 156 201 268 312 402 536 804 871 1608 1742 2613 3484 5226 6968 10452 20904 5032033 10064066 15096099 20128132 30192198 40256264 60384396 65416429 120768792 130832858 196249287 261665716 337146211 392498574 523331432 674292422 784997148 1011438633 1348584844 1569994296 2022877266 2697169688 4045754532 4382900743 8091509064 8765801486 13148702229 17531602972 26297404458 35063205944 52594808916 105189617832