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13203221012013 = 34401073670671
BaseRepresentation
bin1100000000100001110101…
…0011000101111000101101
31201202012211011200120121010
43000020131103011320231
53212310144034341023
644025250452055433
72531621060611104
oct300103523057055
951665734616533
1013203221012013
11423050006599a
121592a58004579
1374a09b3c2056
14339079c0103b
1517d6a57aa093
hexc021d4c5e2d

13203221012013 has 4 divisors (see below), whose sum is σ = 17604294682688. Its totient is φ = 8802147341340.

The previous prime is 13203221012011. The next prime is 13203221012077. The reversal of 13203221012013 is 31021012230231.

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 not a de Polignac number, because 13203221012013 - 21 = 13203221012011 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 (13203221012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200536835333 + ... + 2200536835338.

It is an arithmetic number, because the mean of its divisors is an integer number (4401073670672).

Almost surely, 213203221012013 is an apocalyptic number.

It is an amenable number.

13203221012013 is a deficient number, since it is larger than the sum of its proper divisors (4401073670675).

13203221012013 is an equidigital number, since it uses as much as digits as its factorization.

13203221012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401073670674.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13203221012013 its reverse (31021012230231), we get a palindrome (44224233242244).

The spelling of 13203221012013 in words is "thirteen trillion, two hundred three billion, two hundred twenty-one million, twelve thousand, thirteen".

Divisors: 1 3 4401073670671 13203221012013