Base | Representation |
---|---|
bin | 10010101110001111… |
… | …010100110011001010 |
3 | 1220220000120102012121 |
4 | 102232033110303022 |
5 | 312132344401442 |
6 | 13122451401454 |
7 | 1311113501326 |
oct | 225617246312 |
9 | 56800512177 |
10 | 20103122122 |
11 | 8586763216 |
12 | 3a905b328a |
13 | 1b84b72545 |
14 | d89c8a986 |
15 | 7c9d3a967 |
hex | 4ae3d4cca |
20103122122 has 16 divisors (see below), whose sum is σ = 30442819680. Its totient is φ = 9955554768.
The previous prime is 20103122099. The next prime is 20103122177. The reversal of 20103122122 is 22122130102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20103122096 and 20103122105.
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, 1857904 + ... + 1868692.
It is an arithmetic number, because the mean of its divisors is an integer number (1902676230).
Almost surely, 220103122122 is an apocalyptic number.
20103122122 is a deficient number, since it is larger than the sum of its proper divisors (10339697558).
20103122122 is a wasteful number, since it uses less digits than its factorization.
20103122122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19605.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 20103122122 its reverse (22122130102), we get a palindrome (42225252224).
The spelling of 20103122122 in words is "twenty billion, one hundred three million, one hundred twenty-two thousand, one hundred twenty-two".
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