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13221034302 = 237437320617
BaseRepresentation
bin11000101000000100…
…01111100100111110
31021010101201010112010
430110002033210332
5204034041044202
610023524352050
7645425636340
oct142402174476
937111633463
1013221034302
115674a24833
12268b845626
131329112128
148d5c65290
15525a6376c
hex31408f93e

13221034302 has 32 divisors (see below), whose sum is σ = 30922290432. Its totient is φ = 3689590464.

The previous prime is 13221034301. The next prime is 13221034303. The reversal of 13221034302 is 20343012231.

It is an interprime number because it is at equal distance from previous prime (13221034301) and next prime (13221034303).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221034301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658503 + ... + 3662114.

It is an arithmetic number, because the mean of its divisors is an integer number (966321576).

Almost surely, 213221034302 is an apocalyptic number.

13221034302 is an abundant number, since it is smaller than the sum of its proper divisors (17701256130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221034302 is a wasteful number, since it uses less digits than its factorization.

13221034302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320672.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13221034302 its reverse (20343012231), we get a palindrome (33564046533).

The spelling of 13221034302 in words is "thirteen billion, two hundred twenty-one million, thirty-four thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806 7320617 14641234 21961851 43923702 51244319 102488638 153732957 307465914 314786531 629573062 944359593 1888719186 2203505717 4407011434 6610517151 13221034302