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13104310122221 = 71918225744259
BaseRepresentation
bin1011111010110001010110…
…1111111111011011101101
31201101202111220101202200112
42332230111233333123231
53204200111342402341
643512011552305405
72521520010122033
oct276542557773355
951352456352615
1013104310122221
1141a256348747a
121577852b42265
1374096741c726
14334375686553
1517ad16ea4aeb
hexbeb15bff6ed

13104310122221 has 4 divisors (see below), whose sum is σ = 13122535867200. Its totient is φ = 13086084377244.

The previous prime is 13104310122209. The next prime is 13104310122251. The reversal of 13104310122221 is 12222101340131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13104310122221 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 (13104310122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9112871411 + ... + 9112872848.

It is an arithmetic number, because the mean of its divisors is an integer number (3280633966800).

Almost surely, 213104310122221 is an apocalyptic number.

It is an amenable number.

13104310122221 is a deficient number, since it is larger than the sum of its proper divisors (18225744979).

13104310122221 is an equidigital number, since it uses as much as digits as its factorization.

13104310122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18225744978.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13104310122221 its reverse (12222101340131), we get a palindrome (25326411462352).

The spelling of 13104310122221 in words is "thirteen trillion, one hundred four billion, three hundred ten million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 719 18225744259 13104310122221