Base | Representation |
---|---|
bin | 1101010100110100110… |
… | …01110110011000011011 |
3 | 1121202210211201112202020 |
4 | 12222122121312120123 |
5 | 30000142343012422 |
6 | 550200412305523 |
7 | 45036060203121 |
oct | 6523231663033 |
9 | 1552724645666 |
10 | 457857000987 |
11 | 1671a33825a1 |
12 | 7489b4722a3 |
13 | 34239103a79 |
14 | 182361b5911 |
15 | bd9ae3d95c |
hex | 6a9a67661b |
457857000987 has 8 divisors (see below), whose sum is σ = 630168775680. Its totient is φ = 295391613480.
The previous prime is 457857000983. The next prime is 457857000989. The reversal of 457857000987 is 789000758754.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 457857000987 - 22 = 457857000983 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 457857000987.
It is not an unprimeable number, because it can be changed into a prime (457857000983) 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, 2461596687 + ... + 2461596872.
It is an arithmetic number, because the mean of its divisors is an integer number (78771096960).
Almost surely, 2457857000987 is an apocalyptic number.
457857000987 is a deficient number, since it is larger than the sum of its proper divisors (172311774693).
457857000987 is a wasteful number, since it uses less digits than its factorization.
457857000987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4923193593.
The product of its (nonzero) digits is 19756800, while the sum is 60.
The spelling of 457857000987 in words is "four hundred fifty-seven billion, eight hundred fifty-seven million, nine hundred eighty-seven", and thus it is an aban number.
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