Base | Representation |
---|---|
bin | 11010010111001011… |
… | …000011111011001101 |
3 | 2201001200211222201200 |
4 | 122113023003323031 |
5 | 430432323004203 |
6 | 21000441100113 |
7 | 2021310365112 |
oct | 322713037315 |
9 | 81050758650 |
10 | 28306063053 |
11 | 11006042144 |
12 | 559b787639 |
13 | 289145c448 |
14 | 15274a0909 |
15 | b0a0719a3 |
hex | 6972c3ecd |
28306063053 has 24 divisors (see below), whose sum is σ = 41166128640. Its totient is φ = 18741983040.
The previous prime is 28306063043. The next prime is 28306063073. The reversal of 28306063053 is 35036060382.
It is a happy number.
It is not a de Polignac number, because 28306063053 - 26 = 28306062989 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 28306062999 and 28306063017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28306063043) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1092513 + ... + 1118121.
It is an arithmetic number, because the mean of its divisors is an integer number (1715255360).
Almost surely, 228306063053 is an apocalyptic number.
It is an amenable number.
28306063053 is a deficient number, since it is larger than the sum of its proper divisors (12860065587).
28306063053 is a wasteful number, since it uses less digits than its factorization.
28306063053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26449 (or 26446 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
The spelling of 28306063053 in words is "twenty-eight billion, three hundred six million, sixty-three thousand, fifty-three".
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