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12345164494 = 213479991261
BaseRepresentation
bin10110111111101010…
…00100001011001110
31011212100121100000121
423133311010023032
5200240330230434
65400555415154
7614632111135
oct133765041316
934770540017
1012345164494
115265583893
1224864544ba
131219816a80
148517ca91c
154c3c017b4
hex2dfd442ce

12345164494 has 16 divisors (see below), whose sum is σ = 19983841920. Its totient is φ = 5685867360.

The previous prime is 12345164471. The next prime is 12345164501. The reversal of 12345164494 is 49446154321.

It is a self number, because there is not a number n which added to its sum of digits gives 12345164494.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 483177 + ... + 508084.

It is an arithmetic number, because the mean of its divisors is an integer number (1248990120).

Almost surely, 212345164494 is an apocalyptic number.

12345164494 is a deficient number, since it is larger than the sum of its proper divisors (7638677426).

12345164494 is a wasteful number, since it uses less digits than its factorization.

12345164494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991755.

The product of its digits is 414720, while the sum is 43.

The spelling of 12345164494 in words is "twelve billion, three hundred forty-five million, one hundred sixty-four thousand, four hundred ninety-four".

Divisors: 1 2 13 26 479 958 6227 12454 991261 1982522 12886393 25772786 474814019 949628038 6172582247 12345164494