Base | Representation |
---|---|
bin | 11010000110011011… |
… | …110110101110010011 |
3 | 2200100010110100102021 |
4 | 122012123312232103 |
5 | 424343431042010 |
6 | 20512530232311 |
7 | 2011330501153 |
oct | 320633665623 |
9 | 80303410367 |
10 | 28025252755 |
11 | 10981585215 |
12 | 5521725697 |
13 | 284821ccc6 |
14 | 14dc084763 |
15 | ae05a38da |
hex | 6866f6b93 |
28025252755 has 8 divisors (see below), whose sum is σ = 33670875600. Its totient is φ = 22393154016.
The previous prime is 28025252729. The next prime is 28025252767. The reversal of 28025252755 is 55725252082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28025252755 - 29 = 28025252243 is a prime.
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, 3376465 + ... + 3384754.
It is an arithmetic number, because the mean of its divisors is an integer number (4208859450).
Almost surely, 228025252755 is an apocalyptic number.
28025252755 is a deficient number, since it is larger than the sum of its proper divisors (5645622845).
28025252755 is an equidigital number, since it uses as much as digits as its factorization.
28025252755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6762053.
The product of its (nonzero) digits is 560000, while the sum is 43.
The spelling of 28025252755 in words is "twenty-eight billion, twenty-five million, two hundred fifty-two thousand, seven hundred fifty-five".
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