Base | Representation |
---|---|
bin | 101011011101001001111… |
… | …011001011100011000001 |
3 | 101120111000101010221112021 |
4 | 223131021323023203001 |
5 | 342411311041140111 |
6 | 10203505541001441 |
7 | 425514605421505 |
oct | 53351173134301 |
9 | 11514011127467 |
10 | 2986242521281 |
11 | a51505063358 |
12 | 4029066b3281 |
13 | 1887a8545656 |
14 | a476bb10305 |
15 | 52a2ba68d71 |
hex | 2b749ecb8c1 |
2986242521281 has 2 divisors, whose sum is σ = 2986242521282. Its totient is φ = 2986242521280.
The previous prime is 2986242521279. The next prime is 2986242521411. The reversal of 2986242521281 is 1821252426892.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2959745192881 + 26497328400 = 1720391^2 + 162780^2 .
It is a cyclic number.
It is not a de Polignac number, because 2986242521281 - 21 = 2986242521279 is a prime.
It is a super-2 number, since 2×29862425212812 (a number of 26 digits) contains 22 as substring.
Together with 2986242521279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2986242521681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493121260640 + 1493121260641.
It is an arithmetic number, because the mean of its divisors is an integer number (1493121260641).
Almost surely, 22986242521281 is an apocalyptic number.
It is an amenable number.
2986242521281 is a deficient number, since it is larger than the sum of its proper divisors (1).
2986242521281 is an equidigital number, since it uses as much as digits as its factorization.
2986242521281 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2211840, while the sum is 52.
The spelling of 2986242521281 in words is "two trillion, nine hundred eighty-six billion, two hundred forty-two million, five hundred twenty-one thousand, two hundred eighty-one".
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