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12430165386 = 2312719384521
BaseRepresentation
bin10111001001110010…
…10100010110001010
31012002021112211022210
423210321110112022
5200424110243021
65413233325550
7620013443142
oct134471242612
935067484283
1012430165386
1152a9560261
1224aaa068b6
131231308462
1485cbd5922
154cb3e1e76
hex2e4e5458a

12430165386 has 32 divisors (see below), whose sum is σ = 25186203648. Its totient is φ = 4089415680.

The previous prime is 12430165381. The next prime is 12430165441. The reversal of 12430165386 is 68356103421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12430165381) 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, 104806 + ... + 189326.

It is an arithmetic number, because the mean of its divisors is an integer number (787068864).

Almost surely, 212430165386 is an apocalyptic number.

12430165386 is an abundant number, since it is smaller than the sum of its proper divisors (12756038262).

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

12430165386 is a wasteful number, since it uses less digits than its factorization.

12430165386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84846.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 12430165386 in words is "twelve billion, four hundred thirty million, one hundred sixty-five thousand, three hundred eighty-six".

Divisors: 1 2 3 6 127 193 254 381 386 579 762 1158 24511 49022 73533 84521 147066 169042 253563 507126 10734167 16312553 21468334 32202501 32625106 48937659 64405002 97875318 2071694231 4143388462 6215082693 12430165386