Base | Representation |
---|---|
bin | 10100100101011100… |
… | …010101111000011011 |
3 | 2010001101201220122100 |
4 | 110211130111320123 |
5 | 330231333220011 |
6 | 14053132254443 |
7 | 1411506411450 |
oct | 244534257033 |
9 | 63041656570 |
10 | 22103023131 |
11 | 9412642472 |
12 | 434a311423 |
13 | 21132b3817 |
14 | 10d971b827 |
15 | 8956cdd56 |
hex | 525715e1b |
22103023131 has 24 divisors (see below), whose sum is σ = 36592717824. Its totient is φ = 12593887920.
The previous prime is 22103023123. The next prime is 22103023153. The reversal of 22103023131 is 13132030122.
It is not a de Polignac number, because 22103023131 - 23 = 22103023123 is a prime.
It is a super-2 number, since 2×221030231312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22103023181) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483675 + ... + 527396.
It is an arithmetic number, because the mean of its divisors is an integer number (1524696576).
Almost surely, 222103023131 is an apocalyptic number.
22103023131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
22103023131 is a deficient number, since it is larger than the sum of its proper divisors (14489694693).
22103023131 is a wasteful number, since it uses less digits than its factorization.
22103023131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011431 (or 1011428 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 22103023131 its reverse (13132030122), we get a palindrome (35235053253).
The spelling of 22103023131 in words is "twenty-two billion, one hundred three million, twenty-three thousand, one hundred thirty-one".
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