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12465907867 = 72254406283
BaseRepresentation
bin10111001110000011…
…01010100010011011
31012011202210201210101
423213001222202123
5201012233022432
65420551400231
7620626316500
oct134701524233
935152721711
1012465907867
1153177530a6
1224ba983077
13123884115a
1486385b4a7
154ce6024e7
hex2e706a89b

12465907867 has 6 divisors (see below), whose sum is σ = 14501158188. Its totient is φ = 10685063844.

The previous prime is 12465907837. The next prime is 12465907889. The reversal of 12465907867 is 76870956421.

12465907867 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 12465907867 - 27 = 12465907739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12465907837) 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 5 ways as a sum of consecutive naturals, for example, 127203093 + ... + 127203190.

It is an arithmetic number, because the mean of its divisors is an integer number (2416859698).

Almost surely, 212465907867 is an apocalyptic number.

12465907867 is a deficient number, since it is larger than the sum of its proper divisors (2035250321).

12465907867 is an equidigital number, since it uses as much as digits as its factorization.

12465907867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254406297 (or 254406290 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 12465907867 in words is "twelve billion, four hundred sixty-five million, nine hundred seven thousand, eight hundred sixty-seven".

Divisors: 1 7 49 254406283 1780843981 12465907867