Base | Representation |
---|---|
bin | 10100011111111001… |
… | …111010100011100111 |
3 | 2002210220220112211220 |
4 | 110133321322203213 |
5 | 330034042042411 |
6 | 14040013031423 |
7 | 1406300603262 |
oct | 243771724347 |
9 | 62726815756 |
10 | 22010112231 |
11 | 93751530a8 |
12 | 4323185573 |
13 | 20c9c82963 |
14 | 10cb253cd9 |
15 | 88c479b06 |
hex | 51fe7a8e7 |
22010112231 has 4 divisors (see below), whose sum is σ = 29346816312. Its totient is φ = 14673408152.
The previous prime is 22010112227. The next prime is 22010112239. The reversal of 22010112231 is 13221101022.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 22010112231 - 22 = 22010112227 is a prime.
It is a super-2 number, since 2×220101122312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22010112231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22010112239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668352036 + ... + 3668352041.
It is an arithmetic number, because the mean of its divisors is an integer number (7336704078).
Almost surely, 222010112231 is an apocalyptic number.
22010112231 is a deficient number, since it is larger than the sum of its proper divisors (7336704081).
22010112231 is an equidigital number, since it uses as much as digits as its factorization.
22010112231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7336704080.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 22010112231 its reverse (13221101022), we get a palindrome (35231213253).
The spelling of 22010112231 in words is "twenty-two billion, ten million, one hundred twelve thousand, two hundred thirty-one".
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