Base | Representation |
---|---|
bin | 11001110010101000… |
… | …100010110111001101 |
3 | 2122110222022221021101 |
4 | 121302220202313031 |
5 | 423203404104312 |
6 | 20415541503101 |
7 | 2000154625150 |
oct | 316250426715 |
9 | 78428287241 |
10 | 27693034957 |
11 | 10820aa6055 |
12 | 544a411a91 |
13 | 27c4451923 |
14 | 14a9cc5c97 |
15 | ac132da57 |
hex | 672a22dcd |
27693034957 has 16 divisors (see below), whose sum is σ = 32431859712. Its totient is φ = 23150263680.
The previous prime is 27693034937. The next prime is 27693034997. The reversal of 27693034957 is 75943039672.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-27693034957 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 27693034898 and 27693034907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27693034937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953748 + ... + 982354.
It is an arithmetic number, because the mean of its divisors is an integer number (2026991232).
Almost surely, 227693034957 is an apocalyptic number.
It is an amenable number.
27693034957 is a deficient number, since it is larger than the sum of its proper divisors (4738824755).
27693034957 is a wasteful number, since it uses less digits than its factorization.
27693034957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32028.
The product of its (nonzero) digits is 8573040, while the sum is 55.
The spelling of 27693034957 in words is "twenty-seven billion, six hundred ninety-three million, thirty-four thousand, nine hundred fifty-seven".
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