Base | Representation |
---|---|
bin | 11011111111110001110111… |
… | …110011000111100111101010 |
3 | 121010222010101121222200000000 |
4 | 123333301313303013213222 |
5 | 112114331002334042421 |
6 | 1113513111335523430 |
7 | 34635600315045234 |
oct | 3377616763074752 |
9 | 533863347880000 |
10 | 123130132330986 |
11 | 36262217783270 |
12 | 11987540229576 |
13 | 5392177384b51 |
14 | 225975cc3b254 |
15 | e37d6d64c226 |
hex | 6ffc77cc79ea |
123130132330986 has 72 divisors (see below), whose sum is σ = 302213152185984. Its totient is φ = 37312161268680.
The previous prime is 123130132330981. The next prime is 123130132331009. The reversal of 123130132330986 is 689033231031321.
123130132330986 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 301 + 3 + 2 + 330 + 9 + 8 + 6 = 666.
It is a super-2 number, since 2×1231301323309862 (a number of 29 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (123130132330981) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 426377850 + ... + 426666533.
It is an arithmetic number, because the mean of its divisors is an integer number (4197404891472).
Almost surely, 2123130132330986 is an apocalyptic number.
123130132330986 is an abundant number, since it is smaller than the sum of its proper divisors (179083019854998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123130132330986 is an frugal number, since it uses more digits than its factorization.
123130132330986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 853044420 (or 853044399 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 45.
The spelling of 123130132330986 in words is "one hundred twenty-three trillion, one hundred thirty billion, one hundred thirty-two million, three hundred thirty thousand, nine hundred eighty-six".
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