Base | Representation |
---|---|
bin | 111100001101100… |
… | …1011010011111001 |
3 | 12012210201110020100 |
4 | 1320123023103321 |
5 | 13114204441022 |
6 | 532251550013 |
7 | 101032014153 |
oct | 17033132371 |
9 | 5183643210 |
10 | 2020390137 |
11 | 947504017 |
12 | 48475b309 |
13 | 26276622c |
14 | 152485ad3 |
15 | bc58e1ac |
hex | 786cb4f9 |
2020390137 has 24 divisors (see below), whose sum is σ = 3074666400. Its totient is φ = 1274902848.
The previous prime is 2020390133. The next prime is 2020390153. The reversal of 2020390137 is 7310930202.
It is not a de Polignac number, because 2020390137 - 22 = 2020390133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2020390137.
It is not an unprimeable number, because it can be changed into a prime (2020390133) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214789 + ... + 223997.
It is an arithmetic number, because the mean of its divisors is an integer number (128111100).
Almost surely, 22020390137 is an apocalyptic number.
It is an amenable number.
2020390137 is a deficient number, since it is larger than the sum of its proper divisors (1054276263).
2020390137 is a wasteful number, since it uses less digits than its factorization.
2020390137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10517 (or 10514 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 2020390137 is about 44948.7501161045. The cubic root of 2020390137 is about 1264.1882416146.
The spelling of 2020390137 in words is "two billion, twenty million, three hundred ninety thousand, one hundred thirty-seven".
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