Base | Representation |
---|---|
bin | 10010101001111000… |
… | …111111111110100111 |
3 | 1220200221021121002200 |
4 | 102221320333332213 |
5 | 312010210121212 |
6 | 13111323505543 |
7 | 1306236362166 |
oct | 225170777647 |
9 | 56627247080 |
10 | 20030160807 |
11 | 854955a308 |
12 | 3a700882b3 |
13 | 1b72a07b77 |
14 | d802d73dd |
15 | 7c37276dc |
hex | 4a9e3ffa7 |
20030160807 has 12 divisors (see below), whose sum is σ = 28952805024. Its totient is φ = 13344048000.
The previous prime is 20030160803. The next prime is 20030160853. The reversal of 20030160807 is 70806103002.
20030160807 is a `hidden beast` number, since 20 + 0 + 30 + 1 + 608 + 0 + 7 = 666.
It is not a de Polignac number, because 20030160807 - 22 = 20030160803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20030160803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769194 + ... + 794807.
It is an arithmetic number, because the mean of its divisors is an integer number (2412733752).
Almost surely, 220030160807 is an apocalyptic number.
20030160807 is a deficient number, since it is larger than the sum of its proper divisors (8922644217).
20030160807 is a wasteful number, since it uses less digits than its factorization.
20030160807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1565430 (or 1565427 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
Adding to 20030160807 its reverse (70806103002), we get a palindrome (90836263809).
The spelling of 20030160807 in words is "twenty billion, thirty million, one hundred sixty thousand, eight hundred seven".
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