Base | Representation |
---|---|
bin | 11000110010110110… |
… | …111001000011000011 |
3 | 2112201101222021100202 |
4 | 120302312321003003 |
5 | 414011000212034 |
6 | 20121440235415 |
7 | 1631513140202 |
oct | 306266710303 |
9 | 75641867322 |
10 | 26623054019 |
11 | 10322024591 |
12 | 51b000bb6b |
13 | 2683881803 |
14 | 1407b5d239 |
15 | a5c42747e |
hex | 632db90c3 |
26623054019 has 2 divisors, whose sum is σ = 26623054020. Its totient is φ = 26623054018.
The previous prime is 26623053991. The next prime is 26623054067. The reversal of 26623054019 is 91045032662.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-26623054019 is a prime.
It is a super-2 number, since 2×266230540192 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (26623054079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13311527009 + 13311527010.
It is an arithmetic number, because the mean of its divisors is an integer number (13311527010).
Almost surely, 226623054019 is an apocalyptic number.
26623054019 is a deficient number, since it is larger than the sum of its proper divisors (1).
26623054019 is an equidigital number, since it uses as much as digits as its factorization.
26623054019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 77760, while the sum is 38.
The spelling of 26623054019 in words is "twenty-six billion, six hundred twenty-three million, fifty-four thousand, nineteen".
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