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12730018034 = 211095739413
BaseRepresentation
bin10111101101100010…
…01010100011110010
31012212011202220211102
423312301022203302
5202032341034114
65503104244402
7630314240126
oct136661124362
935764686742
1012730018034
115442843a68
122573310702
13127b484166
1488a96b586
154e78c22de
hex2f6c4a8f2

12730018034 has 8 divisors (see below), whose sum is σ = 19112248620. Its totient is φ = 6359268496.

The previous prime is 12730018027. The next prime is 12730018043. The reversal of 12730018034 is 43081003721.

12730018034 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11271007225 + 1459010809 = 106165^2 + 38197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12730017988 and 12730018006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867489 + ... + 2871924.

Almost surely, 212730018034 is an apocalyptic number.

12730018034 is a deficient number, since it is larger than the sum of its proper divisors (6382230586).

12730018034 is a wasteful number, since it uses less digits than its factorization.

12730018034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740524.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 12730018034 in words is "twelve billion, seven hundred thirty million, eighteen thousand, thirty-four".

Divisors: 1 2 1109 2218 5739413 11478826 6365009017 12730018034