Base | Representation |
---|---|
bin | 11010011111100000… |
… | …100010111001100011 |
3 | 2201102110000002100022 |
4 | 122133200202321203 |
5 | 431224123201200 |
6 | 21022354344055 |
7 | 2024626161005 |
oct | 323740427143 |
9 | 81373002308 |
10 | 28445912675 |
11 | 11077a81244 |
12 | 561a58b02b |
13 | 28b44161bb |
14 | 153bca6375 |
15 | b17498885 |
hex | 69f822e63 |
28445912675 has 6 divisors (see below), whose sum is σ = 35272931748. Its totient is φ = 22756730120.
The previous prime is 28445912639. The next prime is 28445912683. The reversal of 28445912675 is 57621954482.
It is not a de Polignac number, because 28445912675 - 214 = 28445896291 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568918229 + ... + 568918278.
It is an arithmetic number, because the mean of its divisors is an integer number (5878821958).
Almost surely, 228445912675 is an apocalyptic number.
28445912675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28445912675 is a deficient number, since it is larger than the sum of its proper divisors (6827019073).
28445912675 is a wasteful number, since it uses less digits than its factorization.
28445912675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1137836517 (or 1137836512 counting only the distinct ones).
The product of its digits is 4838400, while the sum is 53.
The spelling of 28445912675 in words is "twenty-eight billion, four hundred forty-five million, nine hundred twelve thousand, six hundred seventy-five".
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