Base | Representation |
---|---|
bin | 11010001111010111… |
… | …010101001011010000 |
3 | 2200201120100102200011 |
4 | 122033113111023100 |
5 | 430200303433322 |
6 | 20535441204304 |
7 | 2015130034030 |
oct | 321727251320 |
9 | 80646312604 |
10 | 28175061712 |
11 | 10a490a6976 |
12 | 5563930694 |
13 | 2870282c65 |
14 | 1513d1d8c0 |
15 | aed7e6677 |
hex | 68f5d52d0 |
28175061712 has 40 divisors (see below), whose sum is σ = 62417880000. Its totient is φ = 12069172992.
The previous prime is 28175061697. The next prime is 28175061727. The reversal of 28175061712 is 21716057182.
It is an interprime number because it is at equal distance from previous prime (28175061697) and next prime (28175061727).
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, 175164 + ... + 295012.
It is an arithmetic number, because the mean of its divisors is an integer number (1560447000).
Almost surely, 228175061712 is an apocalyptic number.
It is an amenable number.
28175061712 is an abundant number, since it is smaller than the sum of its proper divisors (34242818288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28175061712 is a wasteful number, since it uses less digits than its factorization.
28175061712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121963 (or 121957 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 40.
The spelling of 28175061712 in words is "twenty-eight billion, one hundred seventy-five million, sixty-one thousand, seven hundred twelve".
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