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13002413213 = 22956779097
BaseRepresentation
bin11000001110000000…
…10001010010011101
31020120011100000202202
430013000101102131
5203112104210323
65550114501245
7640132455146
oct140700212235
936504300682
1013002413213
115572583549
12262a594825
1312c2a3823a
148b4bd6acd
1551177bd28
hex30701149d

13002413213 has 4 divisors (see below), whose sum is σ = 13059192540. Its totient is φ = 12945633888.

The previous prime is 13002413191. The next prime is 13002413219. The reversal of 13002413213 is 31231420031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11190889369 + 1811523844 = 105787^2 + 42562^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002413213 - 214 = 13002396829 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 (13002413219) 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, 28389320 + ... + 28389777.

It is an arithmetic number, because the mean of its divisors is an integer number (3264798135).

Almost surely, 213002413213 is an apocalyptic number.

It is an amenable number.

13002413213 is a deficient number, since it is larger than the sum of its proper divisors (56779327).

13002413213 is an equidigital number, since it uses as much as digits as its factorization.

13002413213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56779326.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13002413213 its reverse (31231420031), we get a palindrome (44233833244).

The spelling of 13002413213 in words is "thirteen billion, two million, four hundred thirteen thousand, two hundred thirteen".

Divisors: 1 229 56779097 13002413213