Base | Representation |
---|---|
bin | 1100100010001110010… |
… | …1001000001010100010 |
3 | 202120211210011200220200 |
4 | 3020203211020022202 |
5 | 12012011344101010 |
6 | 242532301050030 |
7 | 21362312564232 |
oct | 3104345101242 |
9 | 676753150820 |
10 | 215345300130 |
11 | 83366898324 |
12 | 3589a856916 |
13 | 173cb56711c |
14 | a5cc10bcc2 |
15 | 5905744cc0 |
hex | 32239482a2 |
215345300130 has 48 divisors (see below), whose sum is σ = 559935263160. Its totient is φ = 57421569024.
The previous prime is 215345300129. The next prime is 215345300167. The reversal of 215345300130 is 31003543512.
215345300130 is a `hidden beast` number, since 2 + 1 + 5 + 345 + 300 + 13 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 212068539081 + 3276761049 = 460509^2 + 57243^2 .
It is a junction number, because it is equal to n+sod(n) for n = 215345300094 and 215345300103.
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, 1428816 + ... + 1572324.
Almost surely, 2215345300130 is an apocalyptic number.
215345300130 is an abundant number, since it is smaller than the sum of its proper divisors (344589963030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215345300130 is a wasteful number, since it uses less digits than its factorization.
215345300130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160195 (or 160192 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 215345300130 its reverse (31003543512), we get a palindrome (246348843642).
The spelling of 215345300130 in words is "two hundred fifteen billion, three hundred forty-five million, three hundred thousand, one hundred thirty".
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