Base | Representation |
---|---|
bin | 101000000110… |
… | …100111011001 |
3 | 201210002221002 |
4 | 220012213121 |
5 | 10142402412 |
6 | 1013154345 |
7 | 155233505 |
oct | 50064731 |
9 | 21702832 |
10 | 10512857 |
11 | 5a30513 |
12 | 362b9b5 |
13 | 2241134 |
14 | 1579305 |
15 | dc9dc2 |
hex | a069d9 |
10512857 has 4 divisors (see below), whose sum is σ = 10611216. Its totient is φ = 10414500.
The previous prime is 10512839. The next prime is 10512883. The reversal of 10512857 is 75821501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10512857 - 212 = 10508761 is a prime.
It is a super-2 number, since 2×105128572 = 221040324604898, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10512157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49019 + ... + 49232.
It is an arithmetic number, because the mean of its divisors is an integer number (2652804).
Almost surely, 210512857 is an apocalyptic number.
It is an amenable number.
10512857 is a deficient number, since it is larger than the sum of its proper divisors (98359).
10512857 is an equidigital number, since it uses as much as digits as its factorization.
10512857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98358.
The product of its (nonzero) digits is 2800, while the sum is 29.
The square root of 10512857 is about 3242.3536204430. The cubic root of 10512857 is about 219.0652974878.
The spelling of 10512857 in words is "ten million, five hundred twelve thousand, eight hundred fifty-seven".
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