Base | Representation |
---|---|
bin | 11101101000111010… |
… | …011101000101010000 |
3 | 10001010221012200212020 |
4 | 131220322131011100 |
5 | 1010134140100013 |
6 | 22341542331440 |
7 | 2204436253632 |
oct | 355072350520 |
9 | 101127180766 |
10 | 31824925008 |
11 | 12551382218 |
12 | 6202129b80 |
13 | 30024a1196 |
14 | 177c96ca52 |
15 | c63e57623 |
hex | 768e9d150 |
31824925008 has 80 divisors (see below), whose sum is σ = 85026938880. Its totient is φ = 10251116928.
The previous prime is 31824924949. The next prime is 31824925019. The reversal of 31824925008 is 80052942813.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 88941 + ... + 267507.
It is an arithmetic number, because the mean of its divisors is an integer number (1062836736).
Almost surely, 231824925008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31824925008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42513469440).
31824925008 is an abundant number, since it is smaller than the sum of its proper divisors (53202013872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31824925008 is a wasteful number, since it uses less digits than its factorization.
31824925008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178704 (or 178698 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The spelling of 31824925008 in words is "thirty-one billion, eight hundred twenty-four million, nine hundred twenty-five thousand, eight".
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