Base | Representation |
---|---|
bin | 1010000110011101010001… |
… | …00100110111010000100111 |
3 | 2220122110022201122012222001 |
4 | 11003032220210313100213 |
5 | 10402410342123422211 |
6 | 115124033314350131 |
7 | 4451525434565365 |
oct | 503165044672047 |
9 | 86573281565861 |
10 | 22212104123431 |
11 | 7094111789112 |
12 | 25a8a3088b347 |
13 | c51791757391 |
14 | 56b100592635 |
15 | 287bc3c74ac1 |
hex | 1433a8937427 |
22212104123431 has 8 divisors (see below), whose sum is σ = 22685054459904. Its totient is φ = 21739168469400.
The previous prime is 22212104123411. The next prime is 22212104123449. The reversal of 22212104123431 is 13432140121222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22212104123431 - 213 = 22212104115239 is a prime.
It is a super-2 number, since 2×222121041234312 (a number of 27 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 22212104123431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22212104123411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585415 + ... + 6690808.
It is an arithmetic number, because the mean of its divisors is an integer number (2835631807488).
Almost surely, 222212104123431 is an apocalyptic number.
22212104123431 is a deficient number, since it is larger than the sum of its proper divisors (472950336473).
22212104123431 is an equidigital number, since it uses as much as digits as its factorization.
22212104123431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7341221.
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 22212104123431 its reverse (13432140121222), we get a palindrome (35644244244653).
The spelling of 22212104123431 in words is "twenty-two trillion, two hundred twelve billion, one hundred four million, one hundred twenty-three thousand, four hundred thirty-one".
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