Base | Representation |
---|---|
bin | 101100100001011101… |
… | …011000010011101101 |
3 | 11120101200101220212212 |
4 | 230201131120103231 |
5 | 1240401313141000 |
6 | 33543424140205 |
7 | 3311451132335 |
oct | 544135302355 |
9 | 146350356785 |
10 | 47805990125 |
11 | 19302264a53 |
12 | 9322167665 |
13 | 467b357a2a |
14 | 24571b20c5 |
15 | 139be5cc35 |
hex | b217584ed |
47805990125 has 8 divisors (see below), whose sum is σ = 59661875832. Its totient is φ = 38244792000.
The previous prime is 47805990109. The next prime is 47805990131. The reversal of 47805990125 is 52109950874.
47805990125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1010349796 + 46795640329 = 31786^2 + 216323^2 .
It is not a de Polignac number, because 47805990125 - 24 = 47805990109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191223836 + ... + 191224085.
It is an arithmetic number, because the mean of its divisors is an integer number (7457734479).
Almost surely, 247805990125 is an apocalyptic number.
It is an amenable number.
47805990125 is a deficient number, since it is larger than the sum of its proper divisors (11855885707).
47805990125 is an equidigital number, since it uses as much as digits as its factorization.
47805990125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382447936 (or 382447926 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 50.
The spelling of 47805990125 in words is "forty-seven billion, eight hundred five million, nine hundred ninety thousand, one hundred twenty-five".
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