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12737138727 = 313841306749
BaseRepresentation
bin10111101110011000…
…10101000000100111
31012212200011200120210
423313030111000213
5202041201414402
65503521030503
7630431615145
oct136714250047
935780150523
1012737138727
115446867935
122575785433
13127caa82a1
1488b8a2595
154e832c06c
hex2f7315027

12737138727 has 8 divisors (see below), whose sum is σ = 16984134000. Its totient is φ = 8490784640.

The previous prime is 12737138719. The next prime is 12737138759. The reversal of 12737138727 is 72783173721.

12737138727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12737138727 - 23 = 12737138719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12737138717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111852 + ... + 194897.

It is an arithmetic number, because the mean of its divisors is an integer number (2123016750).

Almost surely, 212737138727 is an apocalyptic number.

12737138727 is a deficient number, since it is larger than the sum of its proper divisors (4246995273).

12737138727 is a wasteful number, since it uses less digits than its factorization.

12737138727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320593.

The product of its digits is 691488, while the sum is 48.

The spelling of 12737138727 in words is "twelve billion, seven hundred thirty-seven million, one hundred thirty-eight thousand, seven hundred twenty-seven".

Divisors: 1 3 13841 41523 306749 920247 4245712909 12737138727