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221133131120013 = 37312335714543059
BaseRepresentation
bin110010010001111010010001…
…101110100111110110001101
31001222222010021010012121111220
4302101322101232213312031
5212441021123031320023
62102151054044033553
764402225064052540
oct6221722156476615
91058863233177456
10221133131120013
11645070416521a2
12209750ba2328b9
1396509c33159b8
143c86c8756c857
151a872a83443e3
hexc91e91ba7d8d

221133131120013 has 32 divisors (see below), whose sum is σ = 347849518571520. Its totient is φ = 122280358553280.

The previous prime is 221133131120003. The next prime is 221133131120023. The reversal of 221133131120013 is 310021131331122.

It is an interprime number because it is at equal distance from previous prime (221133131120003) and next prime (221133131120023).

It is not a de Polignac number, because 221133131120013 - 28 = 221133131119757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133131120003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7933878 + ... + 22476936.

It is an arithmetic number, because the mean of its divisors is an integer number (10870297455360).

Almost surely, 2221133131120013 is an apocalyptic number.

It is an amenable number.

221133131120013 is a deficient number, since it is larger than the sum of its proper divisors (126716387451507).

221133131120013 is a wasteful number, since it uses less digits than its factorization.

221133131120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566457.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 221133131120013 its reverse (310021131331122), we get a palindrome (531154262451135).

The spelling of 221133131120013 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, one hundred thirty-one million, one hundred twenty thousand, thirteen".

Divisors: 1 3 7 21 31 93 217 651 23357 70071 163499 490497 724067 2172201 5068469 14543059 15205407 43629177 101801413 305404239 450834829 1352504487 3155843803 9467531409 339682229063 1019046687189 2377775603441 7133326810323 10530149100953 31590447302859 73711043706671 221133131120013