Base | Representation |
---|---|
bin | 10010101000110111… |
… | …100101010001000001 |
3 | 1220122202000100101220 |
4 | 102220313211101001 |
5 | 311441312341113 |
6 | 13105512145253 |
7 | 1305640536600 |
oct | 225067452101 |
9 | 56582010356 |
10 | 20013012033 |
11 | 853a907173 |
12 | 3a66398229 |
13 | 1b6c2b2471 |
14 | d7bd11a37 |
15 | 7c1e8b523 |
hex | 4a8de5441 |
20013012033 has 48 divisors (see below), whose sum is σ = 31314340800. Its totient is φ = 11335497600.
The previous prime is 20013012007. The next prime is 20013012073. The reversal of 20013012033 is 33021031002.
It is not a de Polignac number, because 20013012033 - 25 = 20013012001 is a prime.
It is a super-4 number, since 4×200130120334 (a number of 42 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (20013012073) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20610238 + ... + 20611208.
It is an arithmetic number, because the mean of its divisors is an integer number (652382100).
Almost surely, 220013012033 is an apocalyptic number.
It is an amenable number.
20013012033 is a deficient number, since it is larger than the sum of its proper divisors (11301328767).
20013012033 is a wasteful number, since it uses less digits than its factorization.
20013012033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2078 (or 2071 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20013012033 its reverse (33021031002), we get a palindrome (53034043035).
The spelling of 20013012033 in words is "twenty billion, thirteen million, twelve thousand, thirty-three".
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