Base | Representation |
---|---|
bin | 10101011100001110… |
… | …000100110011000101 |
3 | 2012102110000022002120 |
4 | 111130032010303011 |
5 | 334122114430041 |
6 | 14324242000153 |
7 | 1443336012024 |
oct | 253416046305 |
9 | 65373008076 |
10 | 23022030021 |
11 | 98443769a1 |
12 | 4566046059 |
13 | 222b803593 |
14 | 11857c48bb |
15 | 8eb212366 |
hex | 55c384cc5 |
23022030021 has 32 divisors (see below), whose sum is σ = 32804766720. Its totient is φ = 14326523904.
The previous prime is 23022030011. The next prime is 23022030049. The reversal of 23022030021 is 12003022032.
It is not a de Polignac number, because 23022030021 - 215 = 23021997253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23022030011) 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, 4177750 + ... + 4183256.
It is an arithmetic number, because the mean of its divisors is an integer number (1025148960).
Almost surely, 223022030021 is an apocalyptic number.
It is an amenable number.
23022030021 is a deficient number, since it is larger than the sum of its proper divisors (9782736699).
23022030021 is a wasteful number, since it uses less digits than its factorization.
23022030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6985.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 23022030021 its reverse (12003022032), we get a palindrome (35025052053).
The spelling of 23022030021 in words is "twenty-three billion, twenty-two million, thirty thousand, twenty-one".
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