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105208904158 = 2311696917809
BaseRepresentation
bin110000111111011110…
…0000111100111011110
3101001120012010002102221
41201332330013213132
53210431434413113
6120155435535554
710413113634001
oct1417674074736
9331505102387
10105208904158
1140689757976
12184822ba5ba
139bc8a22457
145140b81538
152b0b6a898d
hex187ef079de

105208904158 has 8 divisors (see below), whose sum is σ = 162904109760. Its totient is φ = 50907534240.

The previous prime is 105208904131. The next prime is 105208904167. The reversal of 105208904158 is 851409802501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052089041582 (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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848458843 + ... + 848458966.

It is an arithmetic number, because the mean of its divisors is an integer number (20363013720).

Almost surely, 2105208904158 is an apocalyptic number.

105208904158 is a deficient number, since it is larger than the sum of its proper divisors (57695205602).

105208904158 is a wasteful number, since it uses less digits than its factorization.

105208904158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696917842.

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 105208904158 in words is "one hundred five billion, two hundred eight million, nine hundred four thousand, one hundred fifty-eight".

Divisors: 1 2 31 62 1696917809 3393835618 52604452079 105208904158