Base | Representation |
---|---|
bin | 11010101011011011… |
… | …001100010010100110 |
3 | 2201221101012020111202 |
4 | 122223123030102212 |
5 | 432131313222232 |
6 | 21054255402502 |
7 | 2032604405453 |
oct | 325333142246 |
9 | 81841166452 |
10 | 28645835942 |
11 | 1116a911589 |
12 | 5675523432 |
13 | 29169745a9 |
14 | 155a66882a |
15 | b29cda162 |
hex | 6ab6cc4a6 |
28645835942 has 16 divisors (see below), whose sum is σ = 43037295840. Its totient is φ = 14300090688.
The previous prime is 28645835929. The next prime is 28645835969. The reversal of 28645835942 is 24953854682.
It is a congruent 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, 4048784 + ... + 4055852.
It is an arithmetic number, because the mean of its divisors is an integer number (2689830990).
Almost surely, 228645835942 is an apocalyptic number.
28645835942 is a deficient number, since it is larger than the sum of its proper divisors (14391459898).
28645835942 is a wasteful number, since it uses less digits than its factorization.
28645835942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10015.
The product of its digits is 16588800, while the sum is 56.
The spelling of 28645835942 in words is "twenty-eight billion, six hundred forty-five million, eight hundred thirty-five thousand, nine hundred forty-two".
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