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13040401213 = 72782334019
BaseRepresentation
bin11000010010100010…
…01011101100111101
31020122210211000111201
430021101023230331
5203201320314323
65553553015501
7641103403300
oct141121135475
936583730451
1013040401213
115591a6a494
12263b254591
1312ca879048
148b9c84b37
15514c828ad
hex30944bb3d

13040401213 has 12 divisors (see below), whose sum is σ = 15171831360. Its totient is φ = 11175729432.

The previous prime is 13040401207. The next prime is 13040401219. The reversal of 13040401213 is 31210404031.

13040401213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13040401207) and next prime (13040401219).

It is not a de Polignac number, because 13040401213 - 213 = 13040393021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040401219) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 366318 + ... + 400336.

It is an arithmetic number, because the mean of its divisors is an integer number (1264319280).

Almost surely, 213040401213 is an apocalyptic number.

It is an amenable number.

13040401213 is a deficient number, since it is larger than the sum of its proper divisors (2131430147).

13040401213 is an equidigital number, since it uses as much as digits as its factorization.

13040401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41856 (or 41849 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13040401213 its reverse (31210404031), we get a palindrome (44250805244).

The spelling of 13040401213 in words is "thirteen billion, forty million, four hundred one thousand, two hundred thirteen".

Divisors: 1 7 49 7823 34019 54761 238133 383327 1666931 266130637 1862914459 13040401213