Base | Representation |
---|---|
bin | 11010100100011100… |
… | …000111010001101010 |
3 | 2201122012122220211110 |
4 | 122210130013101222 |
5 | 431411312341114 |
6 | 21034511411150 |
7 | 2026652261622 |
oct | 324434072152 |
9 | 81565586743 |
10 | 28528637034 |
11 | 1110a743287 |
12 | 5642223ab6 |
13 | 28c85bb621 |
14 | 1548c7b882 |
15 | b1e889759 |
hex | 6a470746a |
28528637034 has 16 divisors (see below), whose sum is σ = 58897831680. Its totient is φ = 9202786080.
The previous prime is 28528636979. The next prime is 28528637041. The reversal of 28528637034 is 43073682582.
It is a happy number.
It is a Curzon number.
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, 76689699 + ... + 76690070.
It is an arithmetic number, because the mean of its divisors is an integer number (3681114480).
Almost surely, 228528637034 is an apocalyptic number.
28528637034 is an abundant number, since it is smaller than the sum of its proper divisors (30369194646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28528637034 is a wasteful number, since it uses less digits than its factorization.
28528637034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153379805.
The product of its (nonzero) digits is 1935360, while the sum is 48.
The spelling of 28528637034 in words is "twenty-eight billion, five hundred twenty-eight million, six hundred thirty-seven thousand, thirty-four".
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