Base | Representation |
---|---|
bin | 11010101001110010… |
… | …101111110100100011 |
3 | 2201212110200012202222 |
4 | 122221302233310203 |
5 | 432102311100410 |
6 | 21051440501255 |
7 | 2032122602546 |
oct | 325162576443 |
9 | 81773605688 |
10 | 28618456355 |
11 | 11156410925 |
12 | 566831a82b |
13 | 29110a9258 |
14 | 1556b7c85d |
15 | b276cc955 |
hex | 6a9cafd23 |
28618456355 has 16 divisors (see below), whose sum is σ = 36311761920. Its totient is φ = 21592497888.
The previous prime is 28618456343. The next prime is 28618456411. The reversal of 28618456355 is 55365481682.
It is a cyclic number.
It is not a de Polignac number, because 28618456355 - 28 = 28618456099 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28618456297 and 28618456306.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654257 + ... + 696626.
It is an arithmetic number, because the mean of its divisors is an integer number (2269485120).
Almost surely, 228618456355 is an apocalyptic number.
28618456355 is a deficient number, since it is larger than the sum of its proper divisors (7693305565).
28618456355 is a wasteful number, since it uses less digits than its factorization.
28618456355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1351130.
The product of its digits is 6912000, while the sum is 53.
The spelling of 28618456355 in words is "twenty-eight billion, six hundred eighteen million, four hundred fifty-six thousand, three hundred fifty-five".
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