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12479130705 = 351137362319
BaseRepresentation
bin10111001111101000…
…00110110001010001
31012012200200112010010
423213310012301101
5201024124140310
65422143025133
7621146601156
oct134764066121
935180615103
1012479130705
115324164668
12250329b1a9
13123b4c0912
1486550022d
154d0865320
hex2e7d06c51

12479130705 has 16 divisors (see below), whose sum is σ = 20143307520. Its totient is φ = 6596636928.

The previous prime is 12479130701. The next prime is 12479130739. The reversal of 12479130705 is 50703197421.

12479130705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12479130705 - 22 = 12479130701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12479130701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679465 + ... + 3682854.

It is an arithmetic number, because the mean of its divisors is an integer number (1258956720).

Almost surely, 212479130705 is an apocalyptic number.

12479130705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12479130705 is a deficient number, since it is larger than the sum of its proper divisors (7664176815).

12479130705 is a wasteful number, since it uses less digits than its factorization.

12479130705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362440.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 12479130705 in words is "twelve billion, four hundred seventy-nine million, one hundred thirty thousand, seven hundred five".

Divisors: 1 3 5 15 113 339 565 1695 7362319 22086957 36811595 110434785 831942047 2495826141 4159710235 12479130705