Base | Representation |
---|---|
bin | 10101100111011111… |
… | …110100111011111100 |
3 | 2012220122000210211001 |
4 | 111213133310323330 |
5 | 340014033424040 |
6 | 14355121140044 |
7 | 1451124140203 |
oct | 254737647374 |
9 | 65818023731 |
10 | 23211233020 |
11 | 9931154a08 |
12 | 45b948a624 |
13 | 225ba7a311 |
14 | 11a299623a |
15 | 90cb3759a |
hex | 5677f4efc |
23211233020 has 24 divisors (see below), whose sum is σ = 48824718768. Its totient is φ = 9269040000.
The previous prime is 23211232997. The next prime is 23211233041. The reversal of 23211233020 is 2033211232.
It is a super-2 number, since 2×232112330202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953506 + ... + 977545.
It is an arithmetic number, because the mean of its divisors is an integer number (2034363282).
Almost surely, 223211233020 is an apocalyptic number.
23211233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23211233020 is an abundant number, since it is smaller than the sum of its proper divisors (25613485748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23211233020 is a wasteful number, since it uses less digits than its factorization.
23211233020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1931661 (or 1931659 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23211233020 its reverse (2033211232), we get a palindrome (25244444252).
The spelling of 23211233020 in words is "twenty-three billion, two hundred eleven million, two hundred thirty-three thousand, twenty".
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