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105958739868 = 2238829894989
BaseRepresentation
bin110001010101110100…
…0100000111110011100
3101010111110001200122220
41202223220200332130
53214000414133433
6120402103305340
710440520266642
oct1425350407634
9333443050586
10105958739868
1140a33a45603
121865144b250
139cb8190217
1451b25ad192
152b524222b3
hex18aba20f9c

105958739868 has 12 divisors (see below), whose sum is σ = 247237059720. Its totient is φ = 35319579952.

The previous prime is 105958739849. The next prime is 105958739881. The reversal of 105958739868 is 868937859501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1059587398682 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414947483 + ... + 4414947506.

It is an arithmetic number, because the mean of its divisors is an integer number (20603088310).

Almost surely, 2105958739868 is an apocalyptic number.

It is an amenable number.

105958739868 is an abundant number, since it is smaller than the sum of its proper divisors (141278319852).

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

105958739868 is a wasteful number, since it uses less digits than its factorization.

105958739868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829894996 (or 8829894994 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 105958739868 in words is "one hundred five billion, nine hundred fifty-eight million, seven hundred thirty-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 8829894989 17659789978 26489684967 35319579956 52979369934 105958739868