Base | Representation |
---|---|
bin | 110010111101001000… |
… | …111111100011101001 |
3 | 12020020000220012120220 |
4 | 302331020333203221 |
5 | 1344022442440412 |
6 | 41045034240253 |
7 | 3644556425016 |
oct | 627510774351 |
9 | 166200805526 |
10 | 54712858857 |
11 | 21226a89728 |
12 | a72b286089 |
13 | 520c2836c7 |
14 | 291060870d |
15 | 16534cc68c |
hex | cbd23f8e9 |
54712858857 has 8 divisors (see below), whose sum is σ = 72952054560. Its totient is φ = 36474451200.
The previous prime is 54712858843. The next prime is 54712858867. The reversal of 54712858857 is 75885821745.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54712858857 - 212 = 54712854761 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54712858857.
It is not an unprimeable number, because it can be changed into a prime (54712858867) 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, 9519 + ... + 330932.
It is an arithmetic number, because the mean of its divisors is an integer number (9119006820).
Almost surely, 254712858857 is an apocalyptic number.
It is an amenable number.
54712858857 is a deficient number, since it is larger than the sum of its proper divisors (18239195703).
54712858857 is a wasteful number, since it uses less digits than its factorization.
54712858857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394023.
The product of its digits is 25088000, while the sum is 60.
The spelling of 54712858857 in words is "fifty-four billion, seven hundred twelve million, eight hundred fifty-eight thousand, eight hundred fifty-seven".
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