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13104310120021 = 31446447946853
BaseRepresentation
bin1011111010110001010110…
…1111111110111001010101
31201101202111220101122200001
42332230111233332321111
53204200111342320041
643512011552251301
72521520010112441
oct276542557767125
951352456348601
1013104310120021
1141a256348585a
121577852b40b31
1374096741b723
14334375685821
1517ad16ea4131
hexbeb15bfee55

13104310120021 has 8 divisors (see below), whose sum is σ = 13527074386944. Its totient is φ = 12681548639760.

The previous prime is 13104310120009. The next prime is 13104310120049. The reversal of 13104310120021 is 12002101340131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13104310120021 - 229 = 13103773249109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104310120051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13366431 + ... + 14313283.

It is an arithmetic number, because the mean of its divisors is an integer number (1690884298368).

Almost surely, 213104310120021 is an apocalyptic number.

It is an amenable number.

13104310120021 is a deficient number, since it is larger than the sum of its proper divisors (422764266923).

13104310120021 is an equidigital number, since it uses as much as digits as its factorization.

13104310120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393331.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13104310120021 its reverse (12002101340131), we get a palindrome (25106411460152).

The spelling of 13104310120021 in words is "thirteen trillion, one hundred four billion, three hundred ten million, one hundred twenty thousand, twenty-one".

Divisors: 1 31 446447 946853 13839857 29352443 422719681291 13104310120021