Base | Representation |
---|---|
bin | 1110010000001110100100… |
… | …10000011011111011100100 |
3 | 11002222110002112221112220021 |
4 | 13020013102100123323210 |
5 | 13102014303343223410 |
6 | 150355105103244524 |
7 | 6413344105044463 |
oct | 710072220337344 |
9 | 132873075845807 |
10 | 31343903882980 |
11 | 9a94969676357 |
12 | 36227a9ba9744 |
13 | 1464943326370 |
14 | 7a50a57969da |
15 | 3954d82c1eda |
hex | 1c81d241bee4 |
31343903882980 has 288 divisors, whose sum is σ = 77126832921600. Its totient is φ = 10631164059648.
The previous prime is 31343903882969. The next prime is 31343903883007. The reversal of 31343903882980 is 8928830934313.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 548718861 + ... + 548775979.
It is an arithmetic number, because the mean of its divisors is an integer number (267801503200).
Almost surely, 231343903882980 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 31343903882980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38563416460800).
31343903882980 is an abundant number, since it is smaller than the sum of its proper divisors (45782929038620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31343903882980 is a wasteful number, since it uses less digits than its factorization.
31343903882980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57351 (or 57332 counting only the distinct ones).
The product of its (nonzero) digits is 26873856, while the sum is 61.
The spelling of 31343903882980 in words is "thirty-one trillion, three hundred forty-three billion, nine hundred three million, eight hundred eighty-two thousand, nine hundred eighty".
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