Base | Representation |
---|---|
bin | 10010101110010000… |
… | …000101010111001001 |
3 | 1220220000221112001200 |
4 | 102232100011113021 |
5 | 312132422233113 |
6 | 13122455534413 |
7 | 1311115260255 |
oct | 225620052711 |
9 | 56800845050 |
10 | 20103321033 |
11 | 8586889704 |
12 | 3a9068a409 |
13 | 1b84c11c43 |
14 | d89cdd265 |
15 | 7c9d79873 |
hex | 4ae4055c9 |
20103321033 has 24 divisors (see below), whose sum is σ = 29211439296. Its totient is φ = 13322383200.
The previous prime is 20103321001. The next prime is 20103321059. The reversal of 20103321033 is 33012330102.
It is not a de Polignac number, because 20103321033 - 25 = 20103321001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20103320997 and 20103321015.
It is not an unprimeable number, because it can be changed into a prime (20103323033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1659388 + ... + 1671458.
It is an arithmetic number, because the mean of its divisors is an integer number (1217143304).
Almost surely, 220103321033 is an apocalyptic number.
It is an amenable number.
20103321033 is a deficient number, since it is larger than the sum of its proper divisors (9108118263).
20103321033 is a wasteful number, since it uses less digits than its factorization.
20103321033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13165 (or 13162 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20103321033 its reverse (33012330102), we get a palindrome (53115651135).
The spelling of 20103321033 in words is "twenty billion, one hundred three million, three hundred twenty-one thousand, thirty-three".
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