Base | Representation |
---|---|
bin | 1001001011001010100… |
… | …00101111111110010110 |
3 | 1010010200000200111210100 |
4 | 10211211100233332112 |
5 | 20131043231032410 |
6 | 400452041034530 |
7 | 31526505362361 |
oct | 4454520577626 |
9 | 1103600614710 |
10 | 315231502230 |
11 | 111763a68377 |
12 | 51116485a46 |
13 | 23959611918 |
14 | 11385dc90d8 |
15 | 82ee9a18c0 |
hex | 496542ff96 |
315231502230 has 96 divisors (see below), whose sum is σ = 822095632800. Its totient is φ = 83806373376.
The previous prime is 315231502147. The next prime is 315231502249. The reversal of 315231502230 is 32205132513.
It is a happy number.
315231502230 is a `hidden beast` number, since 3 + 152 + 3 + 1 + 502 + 2 + 3 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 315231502194 and 315231502203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44907661 + ... + 44914679.
It is an arithmetic number, because the mean of its divisors is an integer number (8563496175).
Almost surely, 2315231502230 is an apocalyptic number.
315231502230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
315231502230 is an abundant number, since it is smaller than the sum of its proper divisors (506864130570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315231502230 is a wasteful number, since it uses less digits than its factorization.
315231502230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8478 (or 8475 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 315231502230 its reverse (32205132513), we get a palindrome (347436634743).
The spelling of 315231502230 in words is "three hundred fifteen billion, two hundred thirty-one million, five hundred two thousand, two hundred thirty".
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