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12107438318 = 217757470411
BaseRepresentation
bin10110100011010100…
…01101100011101110
31011020210021121000102
423101222031203232
5144244001011233
65321224231102
7606014345663
oct132152154356
934223247012
1012107438318
115153373678
12241a90b492
1311ac4b0bb1
1482bdc7a6a
154acde41e8
hex2d1a8d8ee

12107438318 has 16 divisors (see below), whose sum is σ = 19254903984. Its totient is φ = 5690079360.

The previous prime is 12107438311. The next prime is 12107438411. The reversal of 12107438318 is 81383470121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107438311) 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, 209468 + ... + 260943.

It is an arithmetic number, because the mean of its divisors is an integer number (1203431499).

Almost surely, 212107438318 is an apocalyptic number.

12107438318 is a deficient number, since it is larger than the sum of its proper divisors (7147465666).

12107438318 is a wasteful number, since it uses less digits than its factorization.

12107438318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471187.

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

The spelling of 12107438318 in words is "twelve billion, one hundred seven million, four hundred thirty-eight thousand, three hundred eighteen".

Divisors: 1 2 17 34 757 1514 12869 25738 470411 940822 7996987 15993974 356101127 712202254 6053719159 12107438318