Base | Representation |
---|---|
bin | 1000011011000110… |
… | …0000001001000011 |
3 | 12211120200222112102 |
4 | 2012301200021003 |
5 | 14112321424101 |
6 | 1012211421015 |
7 | 110014143143 |
oct | 20661401103 |
9 | 5746628472 |
10 | 2261123651 |
11 | a60388736 |
12 | 5312b476b |
13 | 2a05b2bb7 |
14 | 17642c923 |
15 | d379286b |
hex | 86c60243 |
2261123651 has 2 divisors, whose sum is σ = 2261123652. Its totient is φ = 2261123650.
The previous prime is 2261123647. The next prime is 2261123693. The reversal of 2261123651 is 1563211622.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2261123651 - 22 = 2261123647 is a prime.
It is a super-2 number, since 2×22611236512 = 10225360330223139602, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2261123351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130561825 + 1130561826.
It is an arithmetic number, because the mean of its divisors is an integer number (1130561826).
Almost surely, 22261123651 is an apocalyptic number.
2261123651 is a deficient number, since it is larger than the sum of its proper divisors (1).
2261123651 is an equidigital number, since it uses as much as digits as its factorization.
2261123651 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4320, while the sum is 29.
The square root of 2261123651 is about 47551.2739156376. The cubic root of 2261123651 is about 1312.5265713865.
The spelling of 2261123651 in words is "two billion, two hundred sixty-one million, one hundred twenty-three thousand, six hundred fifty-one".
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