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13468685964 = 2231122390497
BaseRepresentation
bin11001000101100101…
…11101011010001100
31021202122201010201220
430202302331122030
5210040440422324
610104252403340
7654523641006
oct144262753214
937678633656
1013468685964
1157917a4128
12273a776550
131368511986
1491aacd376
1553c681b79
hex322cbd68c

13468685964 has 12 divisors (see below), whose sum is σ = 31426933944. Its totient is φ = 4489561984.

The previous prime is 13468685959. The next prime is 13468685981. The reversal of 13468685964 is 46958686431.

13468685964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13468685898 and 13468685907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561195237 + ... + 561195260.

It is an arithmetic number, because the mean of its divisors is an integer number (2618911162).

Almost surely, 213468685964 is an apocalyptic number.

It is an amenable number.

13468685964 is an abundant number, since it is smaller than the sum of its proper divisors (17958247980).

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

13468685964 is a wasteful number, since it uses less digits than its factorization.

13468685964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122390504 (or 1122390502 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 60.

The spelling of 13468685964 in words is "thirteen billion, four hundred sixty-eight million, six hundred eighty-five thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 1122390497 2244780994 3367171491 4489561988 6734342982 13468685964