Base | Representation |
---|---|
bin | 111100001101001… |
… | …1101000001001000 |
3 | 12012210100211010111 |
4 | 1320122131001020 |
5 | 13114132404040 |
6 | 532243524104 |
7 | 101030264302 |
oct | 17032350110 |
9 | 5183324114 |
10 | 2020200520 |
11 | 947394608 |
12 | 484689634 |
13 | 2626cab30 |
14 | 152436972 |
15 | bc552dea |
hex | 7869d048 |
2020200520 has 32 divisors (see below), whose sum is σ = 4895102520. Its totient is φ = 745920000.
The previous prime is 2020200509. The next prime is 2020200521. The reversal of 2020200520 is 250020202.
It can be written as a sum of positive squares in 4 ways, for example, as 1445064196 + 575136324 = 38014^2 + 23982^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a self number, because there is not a number n which added to its sum of digits gives 2020200520.
It is not an unprimeable number, because it can be changed into a prime (2020200521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941981 + ... + 1943020.
Almost surely, 22020200520 is an apocalyptic number.
2020200520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020200520 is an abundant number, since it is smaller than the sum of its proper divisors (2874902000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020200520 is a wasteful number, since it uses less digits than its factorization.
2020200520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3885025 (or 3885021 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 13.
The square root of 2020200520 is about 44946.6408088524. The cubic root of 2020200520 is about 1264.1486916490.
Adding to 2020200520 its reverse (250020202), we get a palindrome (2270220722).
The spelling of 2020200520 in words is "two billion, twenty million, two hundred thousand, five hundred twenty".
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