Base | Representation |
---|---|
bin | 11000010111110010… |
… | …011010101001010111 |
3 | 2111112202101122210121 |
4 | 120113302122221113 |
5 | 412043214133322 |
6 | 20004414132411 |
7 | 1614326642455 |
oct | 302762325127 |
9 | 74482348717 |
10 | 26168896087 |
11 | 10109728a54 |
12 | 50a3ab1107 |
13 | 261075a3c9 |
14 | 13a36db9d5 |
15 | a32616ec7 |
hex | 617c9aa57 |
26168896087 has 2 divisors, whose sum is σ = 26168896088. Its totient is φ = 26168896086.
The previous prime is 26168896069. The next prime is 26168896133. The reversal of 26168896087 is 78069886162.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 26168896087 - 27 = 26168895959 is a prime.
It is a super-2 number, since 2×261688960872 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (26168896007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13084448043 + 13084448044.
It is an arithmetic number, because the mean of its divisors is an integer number (13084448044).
Almost surely, 226168896087 is an apocalyptic number.
26168896087 is a deficient number, since it is larger than the sum of its proper divisors (1).
26168896087 is an equidigital number, since it uses as much as digits as its factorization.
26168896087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13934592, while the sum is 61.
The spelling of 26168896087 in words is "twenty-six billion, one hundred sixty-eight million, eight hundred ninety-six thousand, eighty-seven".
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