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12315816711 = 3211229543241
BaseRepresentation
bin10110111100001010…
…00111001100000111
31011210022101022102200
423132011013030013
5200210322113321
65354030405543
7614124500112
oct133605071407
934708338380
1012315816711
11524aa59420
1224786608b3
13121370c913
1484b94b579
154c1355d26
hex2de147307

12315816711 has 24 divisors (see below), whose sum is σ = 19491522960. Its totient is φ = 7431523200.

The previous prime is 12315816703. The next prime is 12315816743. The reversal of 12315816711 is 11761851321.

It is a happy number.

12315816711 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 581 + 6 + 71 + 1 = 666.

12315816711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12315816711 - 23 = 12315816703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315816761) 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 23 ways as a sum of consecutive naturals, for example, 248950 + ... + 294291.

It is an arithmetic number, because the mean of its divisors is an integer number (812146790).

Almost surely, 212315816711 is an apocalyptic number.

12315816711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12315816711 is a deficient number, since it is larger than the sum of its proper divisors (7175706249).

12315816711 is a wasteful number, since it uses less digits than its factorization.

12315816711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543487 (or 543484 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The spelling of 12315816711 in words is "twelve billion, three hundred fifteen million, eight hundred sixteen thousand, seven hundred eleven".

Divisors: 1 3 9 11 33 99 229 687 2061 2519 7557 22671 543241 1629723 4889169 5975651 17926953 53780859 124402189 373206567 1119619701 1368424079 4105272237 12315816711