Base | Representation |
---|---|
bin | 10100101000011011… |
… | …011000010011000011 |
3 | 2010011212222012122221 |
4 | 110220123120103003 |
5 | 330332143240111 |
6 | 14102121511511 |
7 | 1412655156520 |
oct | 245033302303 |
9 | 63155865587 |
10 | 22153102531 |
11 | 94389378aa |
12 | 4363042597 |
13 | 21207990c1 |
14 | 1102236147 |
15 | 899cc2371 |
hex | 5286d84c3 |
22153102531 has 16 divisors (see below), whose sum is σ = 25443078400. Its totient is φ = 18894536928.
The previous prime is 22153102513. The next prime is 22153102547. The reversal of 22153102531 is 13520135122.
It is a cyclic number.
It is not a de Polignac number, because 22153102531 - 213 = 22153094339 is a prime.
It is a super-2 number, since 2×221531025312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22153102496 and 22153102505.
It is not an unprimeable number, because it can be changed into a prime (22153102571) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4067296 + ... + 4072738.
It is an arithmetic number, because the mean of its divisors is an integer number (1590192400).
Almost surely, 222153102531 is an apocalyptic number.
22153102531 is a deficient number, since it is larger than the sum of its proper divisors (3289975869).
22153102531 is a wasteful number, since it uses less digits than its factorization.
22153102531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8218.
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 22153102531 its reverse (13520135122), we get a palindrome (35673237653).
The spelling of 22153102531 in words is "twenty-two billion, one hundred fifty-three million, one hundred two thousand, five hundred thirty-one".
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