Base | Representation |
---|---|
bin | 11001001100000011… |
… | …000110001110001001 |
3 | 2120210212020002211220 |
4 | 121030003012032021 |
5 | 420342143342410 |
6 | 20231414512253 |
7 | 1645134343656 |
oct | 311403061611 |
9 | 76725202756 |
10 | 27045684105 |
11 | 10519646850 |
12 | 52a9665689 |
13 | 27202b769b |
14 | 1447d34c2d |
15 | a845ab070 |
hex | 64c0c6389 |
27045684105 has 16 divisors (see below), whose sum is σ = 47207012544. Its totient is φ = 13113058880.
The previous prime is 27045684091. The next prime is 27045684179. The reversal of 27045684105 is 50148654072.
It is a happy number.
It is not a de Polignac number, because 27045684105 - 29 = 27045683593 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81956454 + ... + 81956783.
It is an arithmetic number, because the mean of its divisors is an integer number (2950438284).
Almost surely, 227045684105 is an apocalyptic number.
It is an amenable number.
27045684105 is a deficient number, since it is larger than the sum of its proper divisors (20161328439).
27045684105 is a wasteful number, since it uses less digits than its factorization.
27045684105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163913256.
The product of its (nonzero) digits is 268800, while the sum is 42.
The spelling of 27045684105 in words is "twenty-seven billion, forty-five million, six hundred eighty-four thousand, one hundred five".
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