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12708907730 = 2567113167863
BaseRepresentation
bin10111101011000001…
…01000101011010010
31012210201001101221022
423311200220223102
5202011440021410
65501031555442
7626636635061
oct136540505322
935721041838
1012708907730
115431935532
12256822bb82
131276ca255c
14887c341d8
154e5b02455
hex2f5828ad2

12708907730 has 32 divisors (see below), whose sum is σ = 23423071104. Its totient is φ = 4963343616.

The previous prime is 12708907723. The next prime is 12708907751. The reversal of 12708907730 is 3770980721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8222 + ... + 159641.

It is an arithmetic number, because the mean of its divisors is an integer number (731970972).

Almost surely, 212708907730 is an apocalyptic number.

12708907730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12708907730 is a deficient number, since it is larger than the sum of its proper divisors (10714163374).

12708907730 is a wasteful number, since it uses less digits than its factorization.

12708907730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168050.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 12708907730 in words is "twelve billion, seven hundred eight million, nine hundred seven thousand, seven hundred thirty".

Divisors: 1 2 5 10 67 113 134 226 335 565 670 1130 7571 15142 37855 75710 167863 335726 839315 1678630 11246821 18968519 22493642 37937038 56234105 94842595 112468210 189685190 1270890773 2541781546 6354453865 12708907730