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12824857434 = 2315431385273
BaseRepresentation
bin10111111000110101…
…11100101101011010
31020002210020021000210
423330122330231122
5202231130414214
65520333111550
7632545326624
oct137432745532
936083207023
1012824857434
115491330234
12259b0285b6
13129500ba4c
148993b7c14
15500da7b59
hex2fc6bcb5a

12824857434 has 16 divisors (see below), whose sum is σ = 25666356672. Its totient is φ = 4272178848.

The previous prime is 12824857421. The next prime is 12824857459. The reversal of 12824857434 is 43475842821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683379 + ... + 701894.

It is an arithmetic number, because the mean of its divisors is an integer number (1604147292).

Almost surely, 212824857434 is an apocalyptic number.

12824857434 is an abundant number, since it is smaller than the sum of its proper divisors (12841499238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12824857434 is a wasteful number, since it uses less digits than its factorization.

12824857434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386821.

The product of its digits is 1720320, while the sum is 48.

The spelling of 12824857434 in words is "twelve billion, eight hundred twenty-four million, eight hundred fifty-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1543 3086 4629 9258 1385273 2770546 4155819 8311638 2137476239 4274952478 6412428717 12824857434