Base | Representation |
---|---|
bin | 100110011010000111111… |
… | …111001101101110000000 |
3 | 100100022201201121010111211 |
4 | 212122013333031232000 |
5 | 321220433200241133 |
6 | 5340304130015504 |
7 | 361455402601054 |
oct | 46320777155600 |
9 | 10308651533454 |
10 | 2639391415168 |
11 | 9283a5710652 |
12 | 367646a17594 |
13 | 161b80160b61 |
14 | 91a66561c64 |
15 | 489cb1babcd |
hex | 26687fcdb80 |
2639391415168 has 16 divisors (see below), whose sum is σ = 5258162585160. Its totient is φ = 1319695707520.
The previous prime is 2639391415153. The next prime is 2639391415187. The reversal of 2639391415168 is 8615141939362.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10310122588 + ... + 10310122843.
Almost surely, 22639391415168 is an apocalyptic number.
It is an amenable number.
2639391415168 is a deficient number, since it is larger than the sum of its proper divisors (2618771169992).
2639391415168 is an equidigital number, since it uses as much as digits as its factorization.
2639391415168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20620245445 (or 20620245433 counting only the distinct ones).
The product of its digits is 8398080, while the sum is 58.
The spelling of 2639391415168 in words is "two trillion, six hundred thirty-nine billion, three hundred ninety-one million, four hundred fifteen thousand, one hundred sixty-eight".
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