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19246868084 = 224919799831
BaseRepresentation
bin10001111011001100…
…111110011001110100
31211200100101012111002
4101323030332121310
5303404144234314
612501503102432
71250645452013
oct217314763164
954610335432
1019246868084
11818739a954
1238918a1a18
131a79654752
14d0827aa7a
15779aa0ade
hex47b33e674

19246868084 has 12 divisors (see below), whose sum is σ = 33750621408. Its totient is φ = 9603833400.

The previous prime is 19246868063. The next prime is 19246868107. The reversal of 19246868084 is 48086864291.

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, 4897952 + ... + 4901879.

It is an arithmetic number, because the mean of its divisors is an integer number (2812551784).

Almost surely, 219246868084 is an apocalyptic number.

It is an amenable number.

19246868084 is a deficient number, since it is larger than the sum of its proper divisors (14503753324).

19246868084 is a wasteful number, since it uses less digits than its factorization.

19246868084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800326 (or 9800324 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 19246868084 in words is "nineteen billion, two hundred forty-six million, eight hundred sixty-eight thousand, eighty-four".

Divisors: 1 2 4 491 982 1964 9799831 19599662 39199324 4811717021 9623434042 19246868084