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12430315065 = 357727162839
BaseRepresentation
bin10111001001110011…
…11000111000111001
31012002021211102122110
423210321320320321
5200424130040230
65413240442533
7620014635420
oct134471707071
935067742573
1012430315065
1152a9652763
1224aaa79449
13123135b61c
1485cc342b7
154cb4214b0
hex2e4e78e39

12430315065 has 32 divisors (see below), whose sum is σ = 22761123840. Its totient is φ = 5674578624.

The previous prime is 12430315043. The next prime is 12430315067. The reversal of 12430315065 is 56051303421.

It is not a de Polignac number, because 12430315065 - 27 = 12430314937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12430315067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5085 + ... + 157754.

It is an arithmetic number, because the mean of its divisors is an integer number (711285120).

Almost surely, 212430315065 is an apocalyptic number.

12430315065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12430315065 is a deficient number, since it is larger than the sum of its proper divisors (10330808775).

12430315065 is a wasteful number, since it uses less digits than its factorization.

12430315065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163581.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12430315065 its reverse (56051303421), we get a palindrome (68481618486).

The spelling of 12430315065 in words is "twelve billion, four hundred thirty million, three hundred fifteen thousand, sixty-five".

Divisors: 1 3 5 7 15 21 35 105 727 2181 3635 5089 10905 15267 25445 76335 162839 488517 814195 1139873 2442585 3419619 5699365 17098095 118383953 355151859 591919765 828687671 1775759295 2486063013 4143438355 12430315065