Base | Representation |
---|---|
bin | 11001001001101000… |
… | …001110101000010111 |
3 | 2120201000211112000221 |
4 | 121021220032220113 |
5 | 420301300224411 |
6 | 20223404415211 |
7 | 1644132305554 |
oct | 311150165027 |
9 | 76630745027 |
10 | 27005086231 |
11 | 104a8737a92 |
12 | 5297b47507 |
13 | 2714a71986 |
14 | 14427a7a2b |
15 | a80c3c071 |
hex | 649a0ea17 |
27005086231 has 2 divisors, whose sum is σ = 27005086232. Its totient is φ = 27005086230.
The previous prime is 27005086187. The next prime is 27005086243. The reversal of 27005086231 is 13268050072.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 27005086231 - 27 = 27005086103 is a prime.
It is a super-3 number, since 3×270050862313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (27005086271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13502543115 + 13502543116.
It is an arithmetic number, because the mean of its divisors is an integer number (13502543116).
Almost surely, 227005086231 is an apocalyptic number.
27005086231 is a deficient number, since it is larger than the sum of its proper divisors (1).
27005086231 is an equidigital number, since it uses as much as digits as its factorization.
27005086231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 34.
The spelling of 27005086231 in words is "twenty-seven billion, five million, eighty-six thousand, two hundred thirty-one".
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