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12080861732 = 2219158958707
BaseRepresentation
bin10110100000001001…
…10101001000100100
31011011221021100210102
423100010311020210
5144220200033412
65314434443232
7605242426142
oct132004651044
934157240712
1012080861732
11513a371255
122411a33518
1311a6b371c4
1482866a592
154aa8e48c2
hex2d0135224

12080861732 has 12 divisors (see below), whose sum is σ = 22254219120. Its totient is φ = 5722513416.

The previous prime is 12080861729. The next prime is 12080861747. The reversal of 12080861732 is 23716808021.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 79479278 + ... + 79479429.

It is an arithmetic number, because the mean of its divisors is an integer number (1854518260).

Almost surely, 212080861732 is an apocalyptic number.

It is an amenable number.

12080861732 is a deficient number, since it is larger than the sum of its proper divisors (10173357388).

12080861732 is a wasteful number, since it uses less digits than its factorization.

12080861732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158958730 (or 158958728 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 12080861732 in words is "twelve billion, eighty million, eight hundred sixty-one thousand, seven hundred thirty-two".

Divisors: 1 2 4 19 38 76 158958707 317917414 635834828 3020215433 6040430866 12080861732