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2261513017 is a prime number
BaseRepresentation
bin1000011011001011…
…1111001100111001
312211121102202122101
42012302333030321
514112421404032
61012224023401
7110020354261
oct20662771471
95747382571
102261513017
11a60624225
12531461b61
132a06bb1aa
141764d07a1
15d381cde7
hex86cbf339

2261513017 has 2 divisors, whose sum is σ = 2261513018. Its totient is φ = 2261513016.

The previous prime is 2261512997. The next prime is 2261513027. The reversal of 2261513017 is 7103151622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1138995001 + 1122518016 = 33749^2 + 33504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2261513017 is a prime.

It is a super-2 number, since 2×22615130172 = 10228882252120884578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2261513027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130756508 + 1130756509.

It is an arithmetic number, because the mean of its divisors is an integer number (1130756509).

Almost surely, 22261513017 is an apocalyptic number.

It is an amenable number.

2261513017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261513017 is an equidigital number, since it uses as much as digits as its factorization.

2261513017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2261513017 is about 47555.3679094169. The cubic root of 2261513017 is about 1312.6019061858.

Adding to 2261513017 its reverse (7103151622), we get a palindrome (9364664639).

The spelling of 2261513017 in words is "two billion, two hundred sixty-one million, five hundred thirteen thousand, seventeen".