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2261158153 is a prime number
BaseRepresentation
bin1000011011000110…
…1000100100001001
312211120202201212021
42012301220210021
514112324030103
61012212244441
7110014345552
oct20661504411
95746681767
102261158153
11a60401651
12531310721
132a05c5807
1417643b329
15d379cbbd
hex86c68909

2261158153 has 2 divisors, whose sum is σ = 2261158154. Its totient is φ = 2261158152.

The previous prime is 2261158111. The next prime is 2261158183. The reversal of 2261158153 is 3518511622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1284720649 + 976437504 = 35843^2 + 31248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261158153 - 221 = 2259061001 is a prime.

It is a super-2 number, since 2×22611581532 = 10225672385756742818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2261158103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130579076 + 1130579077.

It is an arithmetic number, because the mean of its divisors is an integer number (1130579077).

Almost surely, 22261158153 is an apocalyptic number.

It is an amenable number.

2261158153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261158153 is an equidigital number, since it uses as much as digits as its factorization.

2261158153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 2261158153 is about 47551.6367015900. The cubic root of 2261158153 is about 1312.5332472062.

Adding to 2261158153 its reverse (3518511622), we get a palindrome (5779669775).

The spelling of 2261158153 in words is "two billion, two hundred sixty-one million, one hundred fifty-eight thousand, one hundred fifty-three".