Base | Representation |
---|---|
bin | 10010101000110111… |
… | …100101000001011000 |
3 | 1220122202000022000211 |
4 | 102220313211001120 |
5 | 311441312323112 |
6 | 13105512140504 |
7 | 1305640533640 |
oct | 225067450130 |
9 | 56582008024 |
10 | 20013011032 |
11 | 853a906443 |
12 | 3a66397734 |
13 | 1b6c2b1b81 |
14 | d7bd11520 |
15 | 7c1e8b0a7 |
hex | 4a8de5058 |
20013011032 has 16 divisors (see below), whose sum is σ = 42885023760. Its totient is φ = 8577004704.
The previous prime is 20013011021. The next prime is 20013011111. The reversal of 20013011032 is 23011031002.
It is a super-2 number, since 2×200130110322 (a number of 21 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 3 ways as a sum of consecutive naturals, for example, 178687543 + ... + 178687654.
It is an arithmetic number, because the mean of its divisors is an integer number (2680313985).
Almost surely, 220013011032 is an apocalyptic number.
It is an amenable number.
20013011032 is an abundant number, since it is smaller than the sum of its proper divisors (22872012728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013011032 is a wasteful number, since it uses less digits than its factorization.
20013011032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 357375210 (or 357375206 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20013011032 its reverse (23011031002), we get a palindrome (43024042034).
The spelling of 20013011032 in words is "twenty billion, thirteen million, eleven thousand, thirty-two".
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