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12472488430 = 251773367579
BaseRepresentation
bin10111001110110101…
…10001000111101110
31012012020012001121221
423213122301013232
5201020424112210
65421344413554
7621036255013
oct134732610756
935166161557
1012472488430
115320438186
1225010172ba
13123a00648c
1486469170a
154ceea21da
hex2e76b11ee

12472488430 has 16 divisors (see below), whose sum is σ = 23771095920. Its totient is φ = 4695524992.

The previous prime is 12472488409. The next prime is 12472488433. The reversal of 12472488430 is 3488427421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472488433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36683620 + ... + 36683959.

It is an arithmetic number, because the mean of its divisors is an integer number (1485693495).

Almost surely, 212472488430 is an apocalyptic number.

12472488430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12472488430 is a deficient number, since it is larger than the sum of its proper divisors (11298607490).

12472488430 is a wasteful number, since it uses less digits than its factorization.

12472488430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73367603.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 12472488430 in words is "twelve billion, four hundred seventy-two million, four hundred eighty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 73367579 146735158 366837895 733675790 1247248843 2494497686 6236244215 12472488430