Base | Representation |
---|---|
bin | 10010101110000011… |
… | …011010101001001010 |
3 | 1220212210200210220200 |
4 | 102232003122221022 |
5 | 312131100002310 |
6 | 13122300433030 |
7 | 1311045120024 |
oct | 225603325112 |
9 | 56783623820 |
10 | 20100000330 |
11 | 8584a20823 |
12 | 3a8b548776 |
13 | 1b8431b627 |
14 | d896b7014 |
15 | 7c99209c0 |
hex | 4ae0daa4a |
20100000330 has 48 divisors (see below), whose sum is σ = 52267671144. Its totient is φ = 5359213440.
The previous prime is 20100000299. The next prime is 20100000377. The reversal of 20100000330 is 3300000102.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2272142889 + 17827857441 = 47667^2 + 133521^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 857932 + ... + 881048.
Almost surely, 220100000330 is an apocalyptic number.
20100000330 is an abundant number, since it is smaller than the sum of its proper divisors (32167670814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20100000330 is a wasteful number, since it uses less digits than its factorization.
20100000330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32791 (or 32788 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
Adding to 20100000330 its reverse (3300000102), we get a palindrome (23400000432).
The spelling of 20100000330 in words is "twenty billion, one hundred million, three hundred thirty", and thus it is an aban number.
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