Base | Representation |
---|---|
bin | 11001111111101101… |
… | …001100000011001101 |
3 | 2200001021000121020122 |
4 | 121333231030003031 |
5 | 424131030343140 |
6 | 20453414354325 |
7 | 2005460053220 |
oct | 317755140315 |
9 | 80037017218 |
10 | 27912356045 |
11 | 10923885252 |
12 | 54ab95b9a5 |
13 | 282aa12312 |
14 | 14cb0975b7 |
15 | ad5702ab5 |
hex | 67fb4c0cd |
27912356045 has 8 divisors (see below), whose sum is σ = 38279802624. Its totient is φ = 19139901264.
The previous prime is 27912356039. The next prime is 27912356071. The reversal of 27912356045 is 54065321972.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27912356045 - 28 = 27912355789 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 27912355987 and 27912356005.
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, 398747909 + ... + 398747978.
It is an arithmetic number, because the mean of its divisors is an integer number (4784975328).
Almost surely, 227912356045 is an apocalyptic number.
It is an amenable number.
27912356045 is a deficient number, since it is larger than the sum of its proper divisors (10367446579).
27912356045 is an equidigital number, since it uses as much as digits as its factorization.
27912356045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 797495899.
The product of its (nonzero) digits is 453600, while the sum is 44.
The spelling of 27912356045 in words is "twenty-seven billion, nine hundred twelve million, three hundred fifty-six thousand, forty-five".
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