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105868491582 = 23713613185167
BaseRepresentation
bin110001010011001000…
…0001111101100111110
3101010021011020121021210
41202212100033230332
53213304313212312
6120345121105250
710435343221260
oct1424620175476
9333234217253
10105868491582
1140998004747
1218627188226
139ca2582279
1451a45d9b30
152b49546e3c
hex18a640fb3e

105868491582 has 32 divisors (see below), whose sum is σ = 242004206592. Its totient is φ = 30245755104.

The previous prime is 105868491529. The next prime is 105868491611. The reversal of 105868491582 is 285194868501.

It is a super-2 number, since 2×1058684915822 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479163 + ... + 664329.

It is an arithmetic number, because the mean of its divisors is an integer number (7562631456).

Almost surely, 2105868491582 is an apocalyptic number.

105868491582 is an abundant number, since it is smaller than the sum of its proper divisors (136135715010).

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

105868491582 is a wasteful number, since it uses less digits than its factorization.

105868491582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198792.

The product of its (nonzero) digits is 5529600, while the sum is 57.

The spelling of 105868491582 in words is "one hundred five billion, eight hundred sixty-eight million, four hundred ninety-one thousand, five hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 13613 27226 40839 81678 95291 185167 190582 285873 370334 555501 571746 1111002 1296169 2592338 3888507 7777014 2520678371 5041356742 7562035113 15124070226 17644748597 35289497194 52934245791 105868491582