Base | Representation |
---|---|
bin | 1010000011100010111111… |
… | …11111111010100011010111 |
3 | 2220021220012102102200201211 |
4 | 11001301133333322203113 |
5 | 10344241041132331411 |
6 | 115010054243002251 |
7 | 4441355335533346 |
oct | 501613777724327 |
9 | 86256172380654 |
10 | 22112102230231 |
11 | 705576527a692 |
12 | 2591582369387 |
13 | c45215734000 |
14 | 56633519bb5d |
15 | 2852be7b4221 |
hex | 141c5fffa8d7 |
22112102230231 has 32 divisors (see below), whose sum is σ = 24776426263680. Its totient is φ = 19719996192000.
The previous prime is 22112102230201. The next prime is 22112102230291. The reversal of 22112102230231 is 13203220121122.
It is not a de Polignac number, because 22112102230231 - 219 = 22112101705943 is a prime.
It is a super-2 number, since 2×221121022302312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22112102230201) 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, 8086281 + ... + 10469581.
It is an arithmetic number, because the mean of its divisors is an integer number (774263320740).
Almost surely, 222112102230231 is an apocalyptic number.
22112102230231 is a deficient number, since it is larger than the sum of its proper divisors (2664324033449).
22112102230231 is a wasteful number, since it uses less digits than its factorization.
22112102230231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2383484 (or 2383458 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 22112102230231 its reverse (13203220121122), we get a palindrome (35315322351353).
The spelling of 22112102230231 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, two hundred thirty thousand, two hundred thirty-one".
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