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13221020698 = 283307259429
BaseRepresentation
bin11000101000000100…
…01100010000011010
31021010101200102212021
430110002030100122
5204034040130243
610023524205054
7645425551564
oct142402142032
937111612767
1013221020698
115674a15596
12268b83978a
131329108b92
148d5c60334
15525a5e6ed
hex31408c41a

13221020698 has 16 divisors (see below), whose sum is σ = 20135918880. Its totient is φ = 6509567376.

The previous prime is 13221020693. The next prime is 13221020719. The reversal of 13221020698 is 89602012231.

It is a super-3 number, since 3×132210206983 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13221020693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78753 + ... + 180676.

It is an arithmetic number, because the mean of its divisors is an integer number (1258494930).

Almost surely, 213221020698 is an apocalyptic number.

13221020698 is a deficient number, since it is larger than the sum of its proper divisors (6914898182).

13221020698 is a wasteful number, since it uses less digits than its factorization.

13221020698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259821.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13221020698 in words is "thirteen billion, two hundred twenty-one million, twenty thousand, six hundred ninety-eight".

Divisors: 1 2 83 166 307 614 25481 50962 259429 518858 21532607 43065214 79644703 159289406 6610510349 13221020698