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12145023359 = 77345475227
BaseRepresentation
bin10110100111110011…
…00101100101111111
31011100102000002222222
423103321211211333
5144333111221414
65325045555555
7606651665240
oct132371454577
934312002888
1012145023359
115172604897
12242b415bbb
1311b7210471
14832daccc7
154b136a68e
hex2d3e6597f

12145023359 has 16 divisors (see below), whose sum is σ = 14075950848. Its totient is φ = 10263195072.

The previous prime is 12145023313. The next prime is 12145023377. The reversal of 12145023359 is 95332054121.

It is a cyclic number.

It is not a de Polignac number, because 12145023359 - 228 = 11876587903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145023259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320904 + ... + 2326130.

It is an arithmetic number, because the mean of its divisors is an integer number (879746928).

Almost surely, 212145023359 is an apocalyptic number.

12145023359 is a deficient number, since it is larger than the sum of its proper divisors (1930927489).

12145023359 is an equidigital number, since it uses as much as digits as its factorization.

12145023359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 12145023359 in words is "twelve billion, one hundred forty-five million, twenty-three thousand, three hundred fifty-nine".

Divisors: 1 7 73 511 4547 5227 31829 36589 331931 381571 2323517 2670997 23767169 166370183 1735003337 12145023359