Base | Representation |
---|---|
bin | 100111111110000101… |
… | …000110111101011101 |
3 | 11002202222202202011111 |
4 | 213332011012331131 |
5 | 1200343332122012 |
6 | 31414354022021 |
7 | 3046351241356 |
oct | 477605067535 |
9 | 132688682144 |
10 | 42917457757 |
11 | 17223871259 |
12 | 8398b77911 |
13 | 407c626525 |
14 | 2111c48d2d |
15 | 11b2bc3ba7 |
hex | 9fe146f5d |
42917457757 has 8 divisors (see below), whose sum is σ = 43574889600. Its totient is φ = 42260522304.
The previous prime is 42917457749. The next prime is 42917457787. The reversal of 42917457757 is 75775471924.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42917457757 - 23 = 42917457749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42917457707) 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, 52044 + ... + 297562.
It is an arithmetic number, because the mean of its divisors is an integer number (5446861200).
Almost surely, 242917457757 is an apocalyptic number.
It is an amenable number.
42917457757 is a deficient number, since it is larger than the sum of its proper divisors (657431843).
42917457757 is a wasteful number, since it uses less digits than its factorization.
42917457757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248195.
The product of its digits is 17287200, while the sum is 58.
The spelling of 42917457757 in words is "forty-two billion, nine hundred seventeen million, four hundred fifty-seven thousand, seven hundred fifty-seven".
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