Base | Representation |
---|---|
bin | 11000010010111100… |
… | …011111111100010011 |
3 | 2111100002112002102112 |
4 | 120102330133330103 |
5 | 411411414400024 |
6 | 15552352535535 |
7 | 1612322251532 |
oct | 302274377423 |
9 | 74302462375 |
10 | 26087653139 |
11 | 10077888a19 |
12 | 50808515ab |
13 | 25c9983362 |
14 | 13969d0319 |
15 | a2a41a00e |
hex | 612f1ff13 |
26087653139 has 2 divisors, whose sum is σ = 26087653140. Its totient is φ = 26087653138.
The previous prime is 26087653073. The next prime is 26087653157. The reversal of 26087653139 is 93135678062.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 26087653139 - 224 = 26070875923 is a prime.
It is not a weakly prime, because it can be changed into another prime (26087653939) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13043826569 + 13043826570.
It is an arithmetic number, because the mean of its divisors is an integer number (13043826570).
Almost surely, 226087653139 is an apocalyptic number.
26087653139 is a deficient number, since it is larger than the sum of its proper divisors (1).
26087653139 is an equidigital number, since it uses as much as digits as its factorization.
26087653139 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1632960, while the sum is 50.
The spelling of 26087653139 in words is "twenty-six billion, eighty-seven million, six hundred fifty-three thousand, one hundred thirty-nine".
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