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12923726564 = 227461561663
BaseRepresentation
bin11000000100101000…
…00110101011100100
31020100200021022222102
430002110012223210
5202431433222224
65534224151232
7635155602050
oct140224065344
936320238872
1012923726564
11553211a061
122608168518
1312ac6478a8
148a8592c60
155098d74ae
hex302506ae4

12923726564 has 12 divisors (see below), whose sum is σ = 25847453184. Its totient is φ = 5538739944.

The previous prime is 12923726561. The next prime is 12923726573. The reversal of 12923726564 is 46562732921.

12923726564 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12923726561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230780804 + ... + 230780859.

It is an arithmetic number, because the mean of its divisors is an integer number (2153954432).

Almost surely, 212923726564 is an apocalyptic number.

12923726564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12923726564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12923726564 is a wasteful number, since it uses less digits than its factorization.

12923726564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461561674 (or 461561672 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The spelling of 12923726564 in words is "twelve billion, nine hundred twenty-three million, seven hundred twenty-six thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 461561663 923123326 1846246652 3230931641 6461863282 12923726564