Base | Representation |
---|---|
bin | 11010100110100000… |
… | …111100001111110101 |
3 | 2201201122011221212022 |
4 | 122212200330033311 |
5 | 431444221111023 |
6 | 21042154002525 |
7 | 2030554243610 |
oct | 324640741765 |
9 | 81648157768 |
10 | 28563457013 |
11 | 11128366023 |
12 | 5651a16445 |
13 | 2902890470 |
14 | 154d743177 |
15 | b229667c8 |
hex | 6a683c3f5 |
28563457013 has 32 divisors (see below), whose sum is σ = 35967912960. Its totient is φ = 22083010560.
The previous prime is 28563457007. The next prime is 28563457031. The reversal of 28563457013 is 31075436582.
It is not a de Polignac number, because 28563457013 - 226 = 28496348149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28563457033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676853 + ... + 717813.
It is an arithmetic number, because the mean of its divisors is an integer number (1123997280).
Almost surely, 228563457013 is an apocalyptic number.
It is an amenable number.
28563457013 is a deficient number, since it is larger than the sum of its proper divisors (7404455947).
28563457013 is a wasteful number, since it uses less digits than its factorization.
28563457013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41157.
The product of its (nonzero) digits is 604800, while the sum is 44.
The spelling of 28563457013 in words is "twenty-eight billion, five hundred sixty-three million, four hundred fifty-seven thousand, thirteen".
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