Base | Representation |
---|---|
bin | 11010100010110010… |
… | …101100000010101001 |
3 | 2201120021122211102222 |
4 | 122202302230002221 |
5 | 431332224002421 |
6 | 21032043203425 |
7 | 2026165335341 |
oct | 324262540251 |
9 | 81507584388 |
10 | 28501000361 |
11 | 110a6087459 |
12 | 5634b16575 |
13 | 28c2963272 |
14 | 1545325d21 |
15 | b1c22acab |
hex | 6a2cac0a9 |
28501000361 has 16 divisors (see below), whose sum is σ = 30979459584. Its totient is φ = 26117566464.
The previous prime is 28501000357. The next prime is 28501000417. The reversal of 28501000361 is 16300010582.
It is a cyclic number.
It is not a de Polignac number, because 28501000361 - 22 = 28501000357 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28501000361.
It is not an unprimeable number, because it can be changed into a prime (28501000301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61796 + ... + 246618.
It is an arithmetic number, because the mean of its divisors is an integer number (1936216224).
Almost surely, 228501000361 is an apocalyptic number.
It is an amenable number.
28501000361 is a deficient number, since it is larger than the sum of its proper divisors (2478459223).
28501000361 is a wasteful number, since it uses less digits than its factorization.
28501000361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185080.
The product of its (nonzero) digits is 1440, while the sum is 26.
The spelling of 28501000361 in words is "twenty-eight billion, five hundred one million, three hundred sixty-one", and thus it is an aban number.
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