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12052015125 = 35332138707
BaseRepresentation
bin10110011100101101…
…10010100000010101
31011002220222210200120
423032112302200111
5144140303441000
65311524302153
7604442303223
oct131626624025
934086883616
1012052015125
115125059387
122404241959
1311a0b771c7
148248bbb13
154a80e76a0
hex2ce5b2815

12052015125 has 16 divisors (see below), whose sum is σ = 20054553792. Its totient is φ = 6427741200.

The previous prime is 12052015121. The next prime is 12052015127. The reversal of 12052015125 is 52151025021.

It is not a de Polignac number, because 12052015125 - 22 = 12052015121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12052015095 and 12052015104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052015121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16068979 + ... + 16069728.

It is an arithmetic number, because the mean of its divisors is an integer number (1253409612).

Almost surely, 212052015125 is an apocalyptic number.

12052015125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12052015125 is a deficient number, since it is larger than the sum of its proper divisors (8002538667).

12052015125 is an equidigital number, since it uses as much as digits as its factorization.

12052015125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32138725 (or 32138715 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 12052015125 in words is "twelve billion, fifty-two million, fifteen thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 32138707 96416121 160693535 482080605 803467675 2410403025 4017338375 12052015125