Base | Representation |
---|---|
bin | 11101000011111100… |
… | …001101111001000000 |
3 | 2222112201000110012000 |
4 | 131003330031321000 |
5 | 1002401341130310 |
6 | 22200223304000 |
7 | 2153164656621 |
oct | 350374157100 |
9 | 88481013160 |
10 | 31204630080 |
11 | 12263222488 |
12 | 606a44b000 |
13 | 2c33b1ab70 |
14 | 1720421a48 |
15 | c2977b4c0 |
hex | 743f0de40 |
31204630080 has 448 divisors, whose sum is σ = 119030983680. Its totient is φ = 7650091008.
The previous prime is 31204629991. The next prime is 31204630087. The reversal of 31204630080 is 8003640213.
It is a happy number.
31204630080 is a `hidden beast` number, since 3 + 1 + 20 + 4 + 630 + 0 + 8 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (31204630087) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 41221062 + ... + 41221818.
It is an arithmetic number, because the mean of its divisors is an integer number (265694160).
Almost surely, 231204630080 is an apocalyptic number.
31204630080 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 31204630080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59515491840).
31204630080 is an abundant number, since it is smaller than the sum of its proper divisors (87826353600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31204630080 is a wasteful number, since it uses less digits than its factorization.
31204630080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1163 (or 1147 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The spelling of 31204630080 in words is "thirty-one billion, two hundred four million, six hundred thirty thousand, eighty".
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