Base | Representation |
---|---|
bin | 10100100101101000… |
… | …110010101011101111 |
3 | 2010001121212201121010 |
4 | 110211220302223233 |
5 | 330233202134311 |
6 | 14053330240303 |
7 | 1411546223556 |
oct | 244550625357 |
9 | 63047781533 |
10 | 22106286831 |
11 | 9414471542 |
12 | 434b426093 |
13 | 2113b871c5 |
14 | 10d9d2ad9d |
15 | 895b25da6 |
hex | 525a32aef |
22106286831 has 16 divisors (see below), whose sum is σ = 29913854720. Its totient is φ = 14518595520.
The previous prime is 22106286823. The next prime is 22106286857. The reversal of 22106286831 is 13868260122.
It is not a de Polignac number, because 22106286831 - 23 = 22106286823 is a prime.
It is a super-2 number, since 2×221062868312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 22106286831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22106286331) 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 15 ways as a sum of consecutive naturals, for example, 129366 + ... + 246876.
It is an arithmetic number, because the mean of its divisors is an integer number (1869615920).
Almost surely, 222106286831 is an apocalyptic number.
22106286831 is a deficient number, since it is larger than the sum of its proper divisors (7807567889).
22106286831 is a wasteful number, since it uses less digits than its factorization.
22106286831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118446.
The product of its (nonzero) digits is 55296, while the sum is 39.
The spelling of 22106286831 in words is "twenty-two billion, one hundred six million, two hundred eighty-six thousand, eight hundred thirty-one".
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