Base | Representation |
---|---|
bin | 10011101001110001… |
… | …101111100001101000 |
3 | 2000110122010200101011 |
4 | 103221301233201220 |
5 | 321204103001412 |
6 | 13405533033304 |
7 | 1344633020365 |
oct | 235161574150 |
9 | 60418120334 |
10 | 21102000232 |
11 | 8a49590115 |
12 | 410b025834 |
13 | 1cb3aa8b91 |
14 | 10427c546c |
15 | 8378997a7 |
hex | 4e9c6f868 |
21102000232 has 32 divisors (see below), whose sum is σ = 39818563200. Its totient is φ = 10483911424.
The previous prime is 21102000217. The next prime is 21102000319. The reversal of 21102000232 is 23200020112.
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, 881088 + ... + 904720.
It is an arithmetic number, because the mean of its divisors is an integer number (1244330100).
Almost surely, 221102000232 is an apocalyptic number.
It is an amenable number.
21102000232 is a deficient number, since it is larger than the sum of its proper divisors (18716562968).
21102000232 is a wasteful number, since it uses less digits than its factorization.
21102000232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24345 (or 24341 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 21102000232 its reverse (23200020112), we get a palindrome (44302020344).
The spelling of 21102000232 in words is "twenty-one billion, one hundred two million, two hundred thirty-two", and thus it is an aban number.
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