Base | Representation |
---|---|
bin | 100111110110100101… |
… | …010000100001010000 |
3 | 11002110020001221202220 |
4 | 213312211100201100 |
5 | 1200114131332132 |
6 | 31354101541040 |
7 | 3043263113646 |
oct | 476645204120 |
9 | 132406057686 |
10 | 42791667792 |
11 | 17169865405 |
12 | 8362a14780 |
13 | 405c5530b3 |
14 | 20dd263196 |
15 | 11a6b27a2c |
hex | 9f6950850 |
42791667792 has 20 divisors (see below), whose sum is σ = 110545141920. Its totient is φ = 14263889248.
The previous prime is 42791667791. The next prime is 42791667859. The reversal of 42791667792 is 29776619724.
It is a super-2 number, since 2×427916677922 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42791667791) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445746492 + ... + 445746587.
It is an arithmetic number, because the mean of its divisors is an integer number (5527257096).
Almost surely, 242791667792 is an apocalyptic number.
It is an amenable number.
42791667792 is an abundant number, since it is smaller than the sum of its proper divisors (67753474128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42791667792 is a wasteful number, since it uses less digits than its factorization.
42791667792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 891493090 (or 891493084 counting only the distinct ones).
The product of its digits is 16003008, while the sum is 60.
The spelling of 42791667792 in words is "forty-two billion, seven hundred ninety-one million, six hundred sixty-seven thousand, seven hundred ninety-two".
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