Base | Representation |
---|---|
bin | 11010001000010001… |
… | …011101101011001000 |
3 | 2200102021110200202112 |
4 | 122020101131223020 |
5 | 424424324130034 |
6 | 20515551121452 |
7 | 2012153525525 |
oct | 321021355310 |
9 | 80367420675 |
10 | 28056083144 |
11 | 10997a22581 |
12 | 552bb13288 |
13 | 2851725c3b |
14 | 15021cc14c |
15 | ae31437ce |
hex | 68845dac8 |
28056083144 has 32 divisors (see below), whose sum is σ = 55790606520. Its totient is φ = 13181285376.
The previous prime is 28056083141. The next prime is 28056083173. The reversal of 28056083144 is 44138065082.
It can be written as a sum of positive squares in 4 ways, for example, as 19116380644 + 8939702500 = 138262^2 + 94550^2 .
It is not an unprimeable number, because it can be changed into a prime (28056083141) 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, 84899 + ... + 251634.
Almost surely, 228056083144 is an apocalyptic number.
It is an amenable number.
28056083144 is a deficient number, since it is larger than the sum of its proper divisors (27734523376).
28056083144 is a wasteful number, since it uses less digits than its factorization.
28056083144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337169 (or 337165 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 41.
The spelling of 28056083144 in words is "twenty-eight billion, fifty-six million, eighty-three thousand, one hundred forty-four".
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