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12128932048 = 2447106315173
BaseRepresentation
bin10110100101111000…
…01101000011010000
31011022021201120212111
423102330031003100
5144320001311143
65323313035104
7606365135632
oct132274150320
934267646774
1012128932048
115164514192
122425b55a94
1311b3a9818c
14830bc0a52
154aec3c99d
hex2d2f0d0d0

12128932048 has 40 divisors (see below), whose sum is σ = 24023962368. Its totient is φ = 5929460352.

The previous prime is 12128932043. The next prime is 12128932061. The reversal of 12128932048 is 84023982121.

It is a super-2 number, since 2×121289320482 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12128932048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128932043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791790 + ... + 806962.

Almost surely, 212128932048 is an apocalyptic number.

It is an amenable number.

12128932048 is a deficient number, since it is larger than the sum of its proper divisors (11895030320).

12128932048 is a wasteful number, since it uses less digits than its factorization.

12128932048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16291 (or 16285 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 12128932048 in words is "twelve billion, one hundred twenty-eight million, nine hundred thirty-two thousand, forty-eight".

Divisors: 1 2 4 8 16 47 94 188 376 752 1063 2126 4252 8504 15173 17008 30346 49961 60692 99922 121384 199844 242768 399688 713131 799376 1426262 2852524 5705048 11410096 16128899 32257798 64515596 129031192 258062384 758058253 1516116506 3032233012 6064466024 12128932048