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2215405051 is a prime number
BaseRepresentation
bin1000010000001100…
…0110010111111011
312201101200020101221
42010003012113323
514014120430201
61003455452511
7105620426566
oct20403062773
95641606357
102215405051
11a375a1672
12519b27137
13293c96482
1417032b4dd
15ce7614a1
hex840c65fb

2215405051 has 2 divisors, whose sum is σ = 2215405052. Its totient is φ = 2215405050.

The previous prime is 2215405043. The next prime is 2215405069. The reversal of 2215405051 is 1505045122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215405051 - 23 = 2215405043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215405001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107702525 + 1107702526.

It is an arithmetic number, because the mean of its divisors is an integer number (1107702526).

Almost surely, 22215405051 is an apocalyptic number.

2215405051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215405051 is an equidigital number, since it uses as much as digits as its factorization.

2215405051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2215405051 is about 47068.0895193336. The cubic root of 2215405051 is about 1303.6200973667.

The spelling of 2215405051 in words is "two billion, two hundred fifteen million, four hundred five thousand, fifty-one".