Base | Representation |
---|---|
bin | 1011111100110111100100… |
… | …00011011101100101101111 |
3 | 10110001102000010211121200122 |
4 | 11332123302003131211233 |
5 | 11421040303223121311 |
6 | 131521101252515155 |
7 | 5351500344640001 |
oct | 576336203354557 |
9 | 113042003747618 |
10 | 26280670910831 |
11 | 841262a658a27 |
12 | 2b4545361babb |
13 | 1188344a9065c |
14 | 66bdc402c371 |
15 | 3089495da0db |
hex | 17e6f20dd96f |
26280670910831 has 2 divisors, whose sum is σ = 26280670910832. Its totient is φ = 26280670910830.
The previous prime is 26280670910719. The next prime is 26280670910863. The reversal of 26280670910831 is 13801907608262.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 26280670910831 - 226 = 26280603801967 is a prime.
It is a super-2 number, since 2×262806709108312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (26280670910891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13140335455415 + 13140335455416.
It is an arithmetic number, because the mean of its divisors is an integer number (13140335455416).
Almost surely, 226280670910831 is an apocalyptic number.
26280670910831 is a deficient number, since it is larger than the sum of its proper divisors (1).
26280670910831 is an equidigital number, since it uses as much as digits as its factorization.
26280670910831 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1741824, while the sum is 53.
The spelling of 26280670910831 in words is "twenty-six trillion, two hundred eighty billion, six hundred seventy million, nine hundred ten thousand, eight hundred thirty-one".
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