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8198368956 = 22321229185299
BaseRepresentation
bin1111010001010100…
…10010111010111100
3210011100200021221200
413220222102322330
5113242240301311
63433303255500
7410106662211
oct75052227274
923140607850
108198368956
113527846a38
12170974a590
13a08678bbb
1457ab83b08
1532eb31556
hex1e8a92ebc

8198368956 has 36 divisors (see below), whose sum is σ = 20740629000. Its totient is φ = 2730551328.

The previous prime is 8198368931. The next prime is 8198368963. The reversal of 8198368956 is 6598638918.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 8198368893 and 8198368902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48406 + ... + 136893.

Almost surely, 28198368956 is an apocalyptic number.

It is an amenable number.

8198368956 is an abundant number, since it is smaller than the sum of its proper divisors (12542260044).

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

8198368956 is a wasteful number, since it uses less digits than its factorization.

8198368956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186538 (or 186533 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 8198368956 is about 90544.8449995912. The cubic root of 8198368956 is about 2016.3959651887.

The spelling of 8198368956 in words is "eight billion, one hundred ninety-eight million, three hundred sixty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 1229 2458 3687 4916 7374 11061 14748 22122 44244 185299 370598 555897 741196 1111794 1667691 2223588 3335382 6670764 227732471 455464942 683197413 910929884 1366394826 2049592239 2732789652 4099184478 8198368956