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12157625386 = 229320746801
BaseRepresentation
bin10110101001010011…
…01010010000101010
31011101021201100201201
423110221222100222
5144344323003021
65330220034414
7610164052654
oct132451522052
934337640651
1012157625386
115179731995
122433692a0a
1311b9a0349a
1483492d6d4
154b2509591
hex2d4a6a42a

12157625386 has 8 divisors (see below), whose sum is σ = 18298679364. Its totient is φ = 6058065600.

The previous prime is 12157625371. The next prime is 12157625387. The reversal of 12157625386 is 68352675121.

It can be written as a sum of positive squares in 2 ways, for example, as 11855943225 + 301682161 = 108885^2 + 17369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12157625387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10372815 + ... + 10373986.

Almost surely, 212157625386 is an apocalyptic number.

12157625386 is a deficient number, since it is larger than the sum of its proper divisors (6141053978).

12157625386 is a wasteful number, since it uses less digits than its factorization.

12157625386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20747096.

The product of its digits is 604800, while the sum is 46.

The spelling of 12157625386 in words is "twelve billion, one hundred fifty-seven million, six hundred twenty-five thousand, three hundred eighty-six".

Divisors: 1 2 293 586 20746801 41493602 6078812693 12157625386