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12911367534 = 2313165530353
BaseRepresentation
bin11000000011001001…
…11101010101101110
31020022211000102120120
430001210331111232
5202420302230114
65533103225410
7634645545642
oct140144752556
936284012516
1012911367534
11552614858a
122603ba8266
1312a9c0b360
148a6a96c22
155087955a9
hex30193d56e

12911367534 has 16 divisors (see below), whose sum is σ = 27809099472. Its totient is φ = 3972728448.

The previous prime is 12911367533. The next prime is 12911367569. The reversal of 12911367534 is 43576311921.

12911367534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911367533) 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, 82765099 + ... + 82765254.

It is an arithmetic number, because the mean of its divisors is an integer number (1738068717).

Almost surely, 212911367534 is an apocalyptic number.

12911367534 is an abundant number, since it is smaller than the sum of its proper divisors (14897731938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12911367534 is a wasteful number, since it uses less digits than its factorization.

12911367534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165530371.

The product of its digits is 136080, while the sum is 42.

The spelling of 12911367534 in words is "twelve billion, nine hundred eleven million, three hundred sixty-seven thousand, five hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 165530353 331060706 496591059 993182118 2151894589 4303789178 6455683767 12911367534