Base | Representation |
---|---|
bin | 11010100001111100… |
… | …101101100111001000 |
3 | 2201112022000222012011 |
4 | 122201330231213020 |
5 | 431320113213031 |
6 | 21030420025304 |
7 | 2025634144531 |
oct | 324174554710 |
9 | 81468028164 |
10 | 28486851016 |
11 | 110990a2888 |
12 | 5630232234 |
13 | 28bca4ab80 |
14 | 15434c1688 |
15 | b1ad836b1 |
hex | 6a1f2d9c8 |
28486851016 has 32 divisors (see below), whose sum is σ = 57592798200. Its totient is φ = 13131486720.
The previous prime is 28486850999. The next prime is 28486851077. The reversal of 28486851016 is 61015868482.
It can be written as a sum of positive squares in 4 ways, for example, as 27208502500 + 1278348516 = 164950^2 + 35754^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85155 + ... + 253426.
Almost surely, 228486851016 is an apocalyptic number.
28486851016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
28486851016 is an abundant number, since it is smaller than the sum of its proper divisors (29105947184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28486851016 is a wasteful number, since it uses less digits than its factorization.
28486851016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339409 (or 339405 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 49.
The spelling of 28486851016 in words is "twenty-eight billion, four hundred eighty-six million, eight hundred fifty-one thousand, sixteen".
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