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105906321058 = 2809393116651
BaseRepresentation
bin110001010100010000…
…0100011011010100010
3101010100210102112120111
41202220200203122202
53213344004233213
6120352552001534
710436312606266
oct1425040433242
9333323375514
10105906321058
1140a073a257a
12186379902aa
139caa368b85
1451a96460a6
152b4ca1aa3d
hex18a88236a2

105906321058 has 16 divisors (see below), whose sum is σ = 159105863520. Its totient is φ = 52871076000.

The previous prime is 105906321023. The next prime is 105906321067. The reversal of 105906321058 is 850123609501.

It is a super-2 number, since 2×1059063210582 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105906321058.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6352033 + ... + 6368683.

It is an arithmetic number, because the mean of its divisors is an integer number (9944116470).

Almost surely, 2105906321058 is an apocalyptic number.

105906321058 is a deficient number, since it is larger than the sum of its proper divisors (53199542462).

105906321058 is a wasteful number, since it uses less digits than its factorization.

105906321058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21393.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 105906321058 in words is "one hundred five billion, nine hundred six million, three hundred twenty-one thousand, fifty-eight".

Divisors: 1 2 809 1618 3931 7862 16651 33302 3180179 6360358 13470659 26941318 65455081 130910162 52953160529 105906321058