Base | Representation |
---|---|
bin | 11010001000000101… |
… | …110011101100011100 |
3 | 2200102001201110100200 |
4 | 122020011303230130 |
5 | 424423033340422 |
6 | 20515401423500 |
7 | 2012115541341 |
oct | 321005635434 |
9 | 80361643320 |
10 | 28053027612 |
11 | 10996225945 |
12 | 552aa9ab90 |
13 | 2850bc622c |
14 | 1501a347c8 |
15 | ae2c3d2ac |
hex | 688173b1c |
28053027612 has 72 divisors (see below), whose sum is σ = 71538012000. Its totient is φ = 9268795008.
The previous prime is 28053027601. The next prime is 28053027631. The reversal of 28053027612 is 21672035082.
28053027612 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 30 + 2 + 7 + 612 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1919838 + ... + 1934394.
It is an arithmetic number, because the mean of its divisors is an integer number (993583500).
Almost surely, 228053027612 is an apocalyptic number.
It is an amenable number.
28053027612 is an abundant number, since it is smaller than the sum of its proper divisors (43484984388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28053027612 is a wasteful number, since it uses less digits than its factorization.
28053027612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15035 (or 15030 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 28053027612 in words is "twenty-eight billion, fifty-three million, twenty-seven thousand, six hundred twelve".
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