Base | Representation |
---|---|
bin | 11100111010110000… |
… | …00100101000011110 |
3 | 1111001222110122222020 |
4 | 32131120010220132 |
5 | 223243430011410 |
6 | 11044315401010 |
7 | 1056505215321 |
oct | 163530045036 |
9 | 44058418866 |
10 | 15525235230 |
11 | 664765501a |
12 | 3013453166 |
13 | 16055c842b |
14 | a73ca87b8 |
15 | 60ceb4a70 |
hex | 39d604a1e |
15525235230 has 16 divisors (see below), whose sum is σ = 37260564624. Its totient is φ = 4140062720.
The previous prime is 15525235211. The next prime is 15525235249. The reversal of 15525235230 is 3253252551.
15525235230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (15525235211) and next prime (15525235249).
It is a junction number, because it is equal to n+sod(n) for n = 15525235191 and 15525235200.
It is a congruent number.
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, 258753891 + ... + 258753950.
It is an arithmetic number, because the mean of its divisors is an integer number (2328785289).
Almost surely, 215525235230 is an apocalyptic number.
15525235230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15525235230 is an abundant number, since it is smaller than the sum of its proper divisors (21735329394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15525235230 is a wasteful number, since it uses less digits than its factorization.
15525235230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517507851.
The product of its (nonzero) digits is 45000, while the sum is 33.
Adding to 15525235230 its reverse (3253252551), we get a palindrome (18778487781).
The spelling of 15525235230 in words is "fifteen billion, five hundred twenty-five million, two hundred thirty-five thousand, two hundred thirty".
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