Base | Representation |
---|---|
bin | 11001111111001111… |
… | …101100001110000111 |
3 | 2200000201110202011220 |
4 | 121333033230032013 |
5 | 424122040422440 |
6 | 20452540531423 |
7 | 2005334246310 |
oct | 317717541607 |
9 | 80021422156 |
10 | 27904623495 |
11 | 1091a483711 |
12 | 54a9250b73 |
13 | 2829235848 |
14 | 14ca043607 |
15 | ad4bc68d0 |
hex | 67f3ec387 |
27904623495 has 64 divisors (see below), whose sum is σ = 52940169216. Its totient is φ = 12281955840.
The previous prime is 27904623449. The next prime is 27904623503. The reversal of 27904623495 is 59432640972.
It is not a de Polignac number, because 27904623495 - 216 = 27904557959 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 619477 + ... + 662993.
It is an arithmetic number, because the mean of its divisors is an integer number (827190144).
Almost surely, 227904623495 is an apocalyptic number.
27904623495 is a deficient number, since it is larger than the sum of its proper divisors (25035545721).
27904623495 is a wasteful number, since it uses less digits than its factorization.
27904623495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43760.
The product of its (nonzero) digits is 3265920, while the sum is 51.
The spelling of 27904623495 in words is "twenty-seven billion, nine hundred four million, six hundred twenty-three thousand, four hundred ninety-five".
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