Base | Representation |
---|---|
bin | 11000001101101110… |
… | …01010101011111101 |
3 | 1020112222211210022221 |
4 | 30012313022223331 |
5 | 203111001330002 |
6 | 5545551405341 |
7 | 640103255665 |
oct | 140667125375 |
9 | 36488753287 |
10 | 13000026877 |
11 | 55711a3672 |
12 | 2629823851 |
13 | 12c23b0cc6 |
14 | 8b47751a5 |
15 | 511459c37 |
hex | 306dcaafd |
13000026877 has 2 divisors, whose sum is σ = 13000026878. Its totient is φ = 13000026876.
The previous prime is 13000026869. The next prime is 13000026889. The reversal of 13000026877 is 77862000031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8450389476 + 4549637401 = 91926^2 + 67451^2 .
It is an emirp because it is prime and its reverse (77862000031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13000026877 - 23 = 13000026869 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13000029877) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500013438 + 6500013439.
It is an arithmetic number, because the mean of its divisors is an integer number (6500013439).
Almost surely, 213000026877 is an apocalyptic number.
It is an amenable number.
13000026877 is a deficient number, since it is larger than the sum of its proper divisors (1).
13000026877 is an equidigital number, since it uses as much as digits as its factorization.
13000026877 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14112, while the sum is 34.
The spelling of 13000026877 in words is "thirteen billion, twenty-six thousand, eight hundred seventy-seven".
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