Base | Representation |
---|---|
bin | 11101000101011110… |
… | …001100011010001100 |
3 | 2222121111100100001220 |
4 | 131011132030122030 |
5 | 1002424430022444 |
6 | 22202542003340 |
7 | 2153626201332 |
oct | 350536143214 |
9 | 88544310056 |
10 | 31230314124 |
11 | 12276775269 |
12 | 6076b76550 |
13 | 2c39241519 |
14 | 17239c9b52 |
15 | c2bb51619 |
hex | 74578c68c |
31230314124 has 24 divisors (see below), whose sum is σ = 73154283888. Its totient is φ = 10369597440.
The previous prime is 31230314113. The next prime is 31230314147. The reversal of 31230314124 is 42141303213.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 31230314094 and 31230314103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5060197 + ... + 5066364.
It is an arithmetic number, because the mean of its divisors is an integer number (3048095162).
Almost surely, 231230314124 is an apocalyptic number.
It is an amenable number.
31230314124 is an abundant number, since it is smaller than the sum of its proper divisors (41923969764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31230314124 is a wasteful number, since it uses less digits than its factorization.
31230314124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10126825 (or 10126823 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 31230314124 its reverse (42141303213), we get a palindrome (73371617337).
The spelling of 31230314124 in words is "thirty-one billion, two hundred thirty million, three hundred fourteen thousand, one hundred twenty-four".
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