Base | Representation |
---|---|
bin | 111100001101111… |
… | …1111100111110101 |
3 | 12012211010100011012 |
4 | 1320123333213311 |
5 | 13114233320110 |
6 | 532300322005 |
7 | 101033565641 |
oct | 17033774765 |
9 | 5184110135 |
10 | 2020604405 |
11 | 94763aaa6 |
12 | 484843305 |
13 | 26280c911 |
14 | 1524ddc21 |
15 | bc5d2905 |
hex | 786ff9f5 |
2020604405 has 8 divisors (see below), whose sum is σ = 2427177984. Its totient is φ = 1614848400.
The previous prime is 2020604387. The next prime is 2020604413. The reversal of 2020604405 is 5044060202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020604405 - 210 = 2020603381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198941 + ... + 208850.
It is an arithmetic number, because the mean of its divisors is an integer number (303397248).
Almost surely, 22020604405 is an apocalyptic number.
It is an amenable number.
2020604405 is a deficient number, since it is larger than the sum of its proper divisors (406573579).
2020604405 is an equidigital number, since it uses as much as digits as its factorization.
2020604405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408787.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 2020604405 is about 44951.1335229714. The cubic root of 2020604405 is about 1264.2329302626.
Adding to 2020604405 its reverse (5044060202), we get a palindrome (7064664607).
The spelling of 2020604405 in words is "two billion, twenty million, six hundred four thousand, four hundred five".
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