Base | Representation |
---|---|
bin | 1010000100000110011000… |
… | …11110011100000010111110 |
3 | 2220100201020112221001021100 |
4 | 11002003030132130002332 |
5 | 10400043444110242004 |
6 | 115022515442513530 |
7 | 4442630224335444 |
oct | 502031436340276 |
9 | 86321215831240 |
10 | 22131102040254 |
11 | 7062825166119 |
12 | 25951a53658a6 |
13 | c46c52b3614c |
14 | 5672186c6b94 |
15 | 285a32812739 |
hex | 1420cc79c0be |
22131102040254 has 12 divisors (see below), whose sum is σ = 47950721087256. Its totient is φ = 7377034013412.
The previous prime is 22131102040241. The next prime is 22131102040259. The reversal of 22131102040254 is 45204020113122.
22131102040254 is a `hidden beast` number, since 22 + 131 + 102 + 0 + 402 + 5 + 4 = 666.
It is a super-2 number, since 2×221311020402542 (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 (22131102040259) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614752834434 + ... + 614752834469.
It is an arithmetic number, because the mean of its divisors is an integer number (3995893423938).
Almost surely, 222131102040254 is an apocalyptic number.
22131102040254 is an abundant number, since it is smaller than the sum of its proper divisors (25819619047002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22131102040254 is a wasteful number, since it uses less digits than its factorization.
22131102040254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229505668911 (or 1229505668908 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 22131102040254 its reverse (45204020113122), we get a palindrome (67335122153376).
The spelling of 22131102040254 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred two million, forty thousand, two hundred fifty-four".
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