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12816407794 = 21131311932243
BaseRepresentation
bin10111110111110101…
…01101110011110010
31020002012022222022011
423323322231303302
5202222000022134
65515432033134
7632413445251
oct137372556362
936065288264
1012816407794
115487589963
1225982327aa
131293340a68
14898218798
15500289264
hex2fbeadcf2

12816407794 has 32 divisors (see below), whose sum is σ = 19652808384. Its totient is φ = 6267555840.

The previous prime is 12816407789. The next prime is 12816407803. The reversal of 12816407794 is 49770461821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5712837 + ... + 5715079.

It is an arithmetic number, because the mean of its divisors is an integer number (614150262).

Almost surely, 212816407794 is an apocalyptic number.

12816407794 is a deficient number, since it is larger than the sum of its proper divisors (6836400590).

12816407794 is a wasteful number, since it uses less digits than its factorization.

12816407794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 12816407794 in words is "twelve billion, eight hundred sixteen million, four hundred seven thousand, seven hundred ninety-four".

Divisors: 1 2 113 131 193 226 262 386 2243 4486 14803 21809 25283 29606 43618 50566 253459 293833 432899 506918 587666 865798 2856979 5713958 33203129 48917587 56709769 66406258 97835174 113419538 6408203897 12816407794