Base | Representation |
---|---|
bin | 10101011100001110… |
… | …000010011010000111 |
3 | 2012102102222210122222 |
4 | 111130032002122013 |
5 | 334122114121411 |
6 | 14324241442555 |
7 | 1443335641340 |
oct | 253416023207 |
9 | 65372883588 |
10 | 23022020231 |
11 | 984436a601 |
12 | 456604045b |
13 | 222b7cbca2 |
14 | 11857c10c7 |
15 | 8eb20e4db |
hex | 55c382687 |
23022020231 has 16 divisors (see below), whose sum is σ = 27059375616. Its totient is φ = 19173265056.
The previous prime is 23022020227. The next prime is 23022020233. The reversal of 23022020231 is 13202022032.
It is a cyclic number.
It is not a de Polignac number, because 23022020231 - 22 = 23022020227 is a prime.
It is a super-2 number, since 2×230220202312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23022020233) 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, 127160 + ... + 249426.
It is an arithmetic number, because the mean of its divisors is an integer number (1691210976).
Almost surely, 223022020231 is an apocalyptic number.
23022020231 is a deficient number, since it is larger than the sum of its proper divisors (4037355385).
23022020231 is a wasteful number, since it uses less digits than its factorization.
23022020231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123038.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 23022020231 its reverse (13202022032), we get a palindrome (36224042263).
The spelling of 23022020231 in words is "twenty-three billion, twenty-two million, twenty thousand, two hundred thirty-one".
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