Base | Representation |
---|---|
bin | 111100001101100… |
… | …0001111011000000 |
3 | 12012210122111111000 |
4 | 1320123001323000 |
5 | 13114202223210 |
6 | 532251052000 |
7 | 101031464064 |
oct | 17033017300 |
9 | 5183574430 |
10 | 2020351680 |
11 | 947488136 |
12 | 484741000 |
13 | 262751889 |
14 | 152475aa4 |
15 | bc582ac0 |
hex | 786c1ec0 |
2020351680 has 112 divisors (see below), whose sum is σ = 7127382240. Its totient is φ = 538758144.
The previous prime is 2020351673. The next prime is 2020351693. The reversal of 2020351680 is 861530202.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108279 + ... + 125558.
Almost surely, 22020351680 is an apocalyptic number.
2020351680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020351680 is an abundant number, since it is smaller than the sum of its proper divisors (5107030560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020351680 is a wasteful number, since it uses less digits than its factorization.
2020351680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233863 (or 233847 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 2020351680 is about 44948.3223268678. The cubic root of 2020351680 is about 1264.1802205242.
Adding to 2020351680 its reverse (861530202), we get a palindrome (2881881882).
The spelling of 2020351680 in words is "two billion, twenty million, three hundred fifty-one thousand, six hundred eighty".
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