Base | Representation |
---|---|
bin | 10010101100111000… |
… | …100100001110110100 |
3 | 1220211102202221020111 |
4 | 102230320210032310 |
5 | 312111034110204 |
6 | 13120320112404 |
7 | 1310416255303 |
oct | 225470441664 |
9 | 56742687214 |
10 | 20080378804 |
11 | 8574939892 |
12 | 3a84a65704 |
13 | 1b8023b565 |
14 | d86c4a43a |
15 | 7c7d46d04 |
hex | 4ace243b4 |
20080378804 has 48 divisors (see below), whose sum is σ = 36968722560. Its totient is φ = 9525288960.
The previous prime is 20080378793. The next prime is 20080378811. The reversal of 20080378804 is 40887308002.
It is a super-2 number, since 2×200803788042 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
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, 9611392 + ... + 9613480.
It is an arithmetic number, because the mean of its divisors is an integer number (770181720).
Almost surely, 220080378804 is an apocalyptic number.
It is an amenable number.
20080378804 is a deficient number, since it is larger than the sum of its proper divisors (16888343756).
20080378804 is a wasteful number, since it uses less digits than its factorization.
20080378804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 40.
The spelling of 20080378804 in words is "twenty billion, eighty million, three hundred seventy-eight thousand, eight hundred four".
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