Base | Representation |
---|---|
bin | 10100101101000100… |
… | …100111100110111101 |
3 | 2010101022120221002200 |
4 | 110231010213212331 |
5 | 331012120201023 |
6 | 14113543542113 |
7 | 1414622366154 |
oct | 245504474675 |
9 | 63338527080 |
10 | 22231022013 |
11 | 9478917972 |
12 | 438515a939 |
13 | 213397b4c5 |
14 | 110c71a59b |
15 | 8a1a64743 |
hex | 52d1279bd |
22231022013 has 12 divisors (see below), whose sum is σ = 32124892800. Its totient is φ = 14814489096.
The previous prime is 22231022003. The next prime is 22231022053. The reversal of 22231022013 is 31022013222.
It is not a de Polignac number, because 22231022013 - 228 = 21962586557 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22231022003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493231 + ... + 536412.
It is an arithmetic number, because the mean of its divisors is an integer number (2677074400).
Almost surely, 222231022013 is an apocalyptic number.
It is an amenable number.
22231022013 is a deficient number, since it is larger than the sum of its proper divisors (9893870787).
22231022013 is a wasteful number, since it uses less digits than its factorization.
22231022013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1032048 (or 1032045 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22231022013 its reverse (31022013222), we get a palindrome (53253035235).
It can be divided in two parts, 222 and 31022013, that multiplied together give a palindrome (6886886886).
The spelling of 22231022013 in words is "twenty-two billion, two hundred thirty-one million, twenty-two thousand, thirteen".
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