Base | Representation |
---|---|
bin | 111000111001000001… |
… | …111110111110111100 |
3 | 12211200012202210102101 |
4 | 320321001332332330 |
5 | 2000101102113310 |
6 | 44021312434444 |
7 | 4261530344314 |
oct | 707101767674 |
9 | 184605683371 |
10 | 61086363580 |
11 | 239a7729100 |
12 | ba09848a24 |
13 | 59b6845088 |
14 | 2d56c82444 |
15 | 18c7ce343a |
hex | e3907efbc |
61086363580 has 36 divisors (see below), whose sum is σ = 141003487800. Its totient is φ = 22213222240.
The previous prime is 61086363529. The next prime is 61086363593. The reversal of 61086363580 is 8536368016.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 61086363580.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12618730 + ... + 12623569.
It is an arithmetic number, because the mean of its divisors is an integer number (3916763550).
Almost surely, 261086363580 is an apocalyptic number.
It is an amenable number.
61086363580 is an abundant number, since it is smaller than the sum of its proper divisors (79917124220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61086363580 is a wasteful number, since it uses less digits than its factorization.
61086363580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25242330 (or 25242317 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 46.
The spelling of 61086363580 in words is "sixty-one billion, eighty-six million, three hundred sixty-three thousand, five hundred eighty".
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