Base | Representation |
---|---|
bin | 11010111000110100… |
… | …011101010001000010 |
3 | 2202112001001112220202 |
4 | 122320310131101002 |
5 | 433111331003012 |
6 | 21132444205202 |
7 | 2041303510160 |
oct | 327064352102 |
9 | 82461045822 |
10 | 28870562882 |
11 | 11275753227 |
12 | 5718839802 |
13 | 29513a8705 |
14 | 157c446230 |
15 | b3e8cacc2 |
hex | 6b8d1d442 |
28870562882 has 8 divisors (see below), whose sum is σ = 49492393536. Its totient is φ = 12373098372.
The previous prime is 28870562867. The next prime is 28870562887. The reversal of 28870562882 is 28826507882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×288705628822 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28870562887) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031091518 + ... + 1031091545.
It is an arithmetic number, because the mean of its divisors is an integer number (6186549192).
Almost surely, 228870562882 is an apocalyptic number.
28870562882 is a deficient number, since it is larger than the sum of its proper divisors (20621830654).
28870562882 is a wasteful number, since it uses less digits than its factorization.
28870562882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2062183072.
The product of its (nonzero) digits is 6881280, while the sum is 56.
The spelling of 28870562882 in words is "twenty-eight billion, eight hundred seventy million, five hundred sixty-two thousand, eight hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •