Base | Representation |
---|---|
bin | 1001001011010110110… |
… | …01011001001000001000 |
3 | 1010010221012100211211220 |
4 | 10211223121121020020 |
5 | 20131301103244430 |
6 | 400510155122040 |
7 | 31532165304063 |
oct | 4455331311010 |
9 | 1103835324756 |
10 | 315334431240 |
11 | 11180707a474 |
12 | 51144a43320 |
13 | 23974a3c66a |
14 | 1139593d8da |
15 | 8308a34110 |
hex | 496b659208 |
315334431240 has 32 divisors (see below), whose sum is σ = 946003294080. Its totient is φ = 84089181632.
The previous prime is 315334431227. The next prime is 315334431257. The reversal of 315334431240 is 42134433513.
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, 1313893344 + ... + 1313893583.
It is an arithmetic number, because the mean of its divisors is an integer number (29562602940).
Almost surely, 2315334431240 is an apocalyptic number.
315334431240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
315334431240 is an abundant number, since it is smaller than the sum of its proper divisors (630668862840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315334431240 is a wasteful number, since it uses less digits than its factorization.
315334431240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2627786941 (or 2627786937 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 33.
Adding to 315334431240 its reverse (42134433513), we get a palindrome (357468864753).
The spelling of 315334431240 in words is "three hundred fifteen billion, three hundred thirty-four million, four hundred thirty-one thousand, two hundred forty".
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