Base | Representation |
---|---|
bin | 110010010001111010010001… |
… | …101110100111110110001101 |
3 | 1001222222010021010012121111220 |
4 | 302101322101232213312031 |
5 | 212441021123031320023 |
6 | 2102151054044033553 |
7 | 64402225064052540 |
oct | 6221722156476615 |
9 | 1058863233177456 |
10 | 221133131120013 |
11 | 645070416521a2 |
12 | 209750ba2328b9 |
13 | 96509c33159b8 |
14 | 3c86c8756c857 |
15 | 1a872a83443e3 |
hex | c91e91ba7d8d |
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".
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