Base | Representation |
---|---|
bin | 100111110101111000… |
… | …101010010000001000 |
3 | 11002102102001222121221 |
4 | 213311320222100020 |
5 | 1200103133223322 |
6 | 31353003211424 |
7 | 3043061542114 |
oct | 476570522010 |
9 | 132372058557 |
10 | 42779976712 |
11 | 171631aa760 |
12 | 835ab16b74 |
13 | 4059cbb8b5 |
14 | 20db89c744 |
15 | 11a5ab89c7 |
hex | 9f5e2a408 |
42779976712 has 32 divisors (see below), whose sum is σ = 87735448800. Its totient is φ = 19394121600.
The previous prime is 42779976703. The next prime is 42779976713. The reversal of 42779976712 is 21767997724.
It is not an unprimeable number, because it can be changed into a prime (42779976713) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607989 + ... + 674692.
It is an arithmetic number, because the mean of its divisors is an integer number (2741732775).
Almost surely, 242779976712 is an apocalyptic number.
It is an amenable number.
42779976712 is an abundant number, since it is smaller than the sum of its proper divisors (44955472088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42779976712 is a wasteful number, since it uses less digits than its factorization.
42779976712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1283077 (or 1283073 counting only the distinct ones).
The product of its digits is 18670176, while the sum is 61.
The spelling of 42779976712 in words is "forty-two billion, seven hundred seventy-nine million, nine hundred seventy-six thousand, seven hundred twelve".
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