Base | Representation |
---|---|
bin | 10010101110001110… |
… | …111100101010000000 |
3 | 1220220000101101120000 |
4 | 102232032330222000 |
5 | 312132333220412 |
6 | 13122445320000 |
7 | 1311112610115 |
oct | 225616745200 |
9 | 56800341500 |
10 | 20103023232 |
11 | 85866a5996 |
12 | 3a90566000 |
13 | 1b84b39526 |
14 | d89c6290c |
15 | 7c9d1b4dc |
hex | 4ae3bca80 |
20103023232 has 80 divisors (see below), whose sum is σ = 59826302250. Its totient is φ = 6701004288.
The previous prime is 20103023221. The next prime is 20103023257. The reversal of 20103023232 is 23232030102.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 17684744256 + 2418278976 = 132984^2 + 49176^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 959107 + ... + 979842.
Almost surely, 220103023232 is an apocalyptic number.
It is an amenable number.
20103023232 is an abundant number, since it is smaller than the sum of its proper divisors (39723279018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20103023232 is an equidigital number, since it uses as much as digits as its factorization.
20103023232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1938975 (or 1938954 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20103023232 its reverse (23232030102), we get a palindrome (43335053334).
The spelling of 20103023232 in words is "twenty billion, one hundred three million, twenty-three thousand, two hundred thirty-two".
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