Base | Representation |
---|---|
bin | 11101010111000010… |
… | …000101010101000100 |
3 | 10000101000201121220110 |
4 | 131113002011111010 |
5 | 1004030340404410 |
6 | 22252104433020 |
7 | 2164134345300 |
oct | 352702052504 |
9 | 100330647813 |
10 | 31524934980 |
11 | 12408005280 |
12 | 6139778770 |
13 | 2c852a7aa6 |
14 | 1750b9cd00 |
15 | c4794b720 |
hex | 757085544 |
31524934980 has 432 divisors, whose sum is σ = 119027918016. Its totient is φ = 6163476480.
The previous prime is 31524934943. The next prime is 31524935011. The reversal of 31524934980 is 8943942513.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9344574 + ... + 9347946.
It is an arithmetic number, because the mean of its divisors is an integer number (275527588).
Almost surely, 231524934980 is an apocalyptic number.
31524934980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31524934980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59513959008).
31524934980 is an abundant number, since it is smaller than the sum of its proper divisors (87502983036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31524934980 is a wasteful number, since it uses less digits than its factorization.
31524934980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3444 (or 3418 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 48.
The spelling of 31524934980 in words is "thirty-one billion, five hundred twenty-four million, nine hundred thirty-four thousand, nine hundred eighty".
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