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2215313293 is a prime number
BaseRepresentation
bin1000010000001010…
…1111111110001101
312201101111120112111
42010002233332031
514014110011133
61003453504021
7105616565224
oct20402577615
95641446474
102215313293
11a37539736
12519aa2011
13293c6378b
14170305cbb
15ce7441cd
hex840aff8d

2215313293 has 2 divisors, whose sum is σ = 2215313294. Its totient is φ = 2215313292.

The previous prime is 2215313279. The next prime is 2215313323. The reversal of 2215313293 is 3923135122.

2215313293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972514569 + 242798724 = 44413^2 + 15582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215313293 - 225 = 2181758861 is a prime.

It is a super-2 number, since 2×22153132932 = 9815225972285007698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215313213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107656646 + 1107656647.

It is an arithmetic number, because the mean of its divisors is an integer number (1107656647).

Almost surely, 22215313293 is an apocalyptic number.

It is an amenable number.

2215313293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215313293 is an equidigital number, since it uses as much as digits as its factorization.

2215313293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 2215313293 is about 47067.1147724183. The cubic root of 2215313293 is about 1303.6020992698.

The spelling of 2215313293 in words is "two billion, two hundred fifteen million, three hundred thirteen thousand, two hundred ninety-three".