Base | Representation |
---|---|
bin | 11010100000001100… |
… | …111111000111001010 |
3 | 2201110020220221222220 |
4 | 122200030333013022 |
5 | 431240114000240 |
6 | 21023452154510 |
7 | 2025130201503 |
oct | 324014770712 |
9 | 81406827886 |
10 | 28457562570 |
11 | 11083608a58 |
12 | 5622468a36 |
13 | 28b6964a28 |
14 | 153d659baa |
15 | b184ea5d0 |
hex | 6a033f1ca |
28457562570 has 32 divisors (see below), whose sum is σ = 68368848768. Its totient is φ = 7580827968.
The previous prime is 28457562563. The next prime is 28457562593. The reversal of 28457562570 is 7526575482.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461469 + ... + 519488.
It is an arithmetic number, because the mean of its divisors is an integer number (2136526524).
Almost surely, 228457562570 is an apocalyptic number.
28457562570 is an abundant number, since it is smaller than the sum of its proper divisors (39911286198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28457562570 is a wasteful number, since it uses less digits than its factorization.
28457562570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 981934.
The product of its (nonzero) digits is 4704000, while the sum is 51.
The spelling of 28457562570 in words is "twenty-eight billion, four hundred fifty-seven million, five hundred sixty-two thousand, five hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •