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2268388901 is a prime number
BaseRepresentation
bin1000011100110100…
…1101111000100101
312212002101002120202
42013031031320211
514121201421101
61013031240245
7110132662502
oct20715157045
95762332522
102268388901
11a644a0179
12533819085
132a1c57a6c
141773a04a9
15d422a36b
hex8734de25

2268388901 has 2 divisors, whose sum is σ = 2268388902. Its totient is φ = 2268388900.

The previous prime is 2268388877. The next prime is 2268388907. The reversal of 2268388901 is 1098838622.

2268388901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1759886401 + 508502500 = 41951^2 + 22550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2268388901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268388907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134194450 + 1134194451.

It is an arithmetic number, because the mean of its divisors is an integer number (1134194451).

Almost surely, 22268388901 is an apocalyptic number.

It is an amenable number.

2268388901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268388901 is an equidigital number, since it uses as much as digits as its factorization.

2268388901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2268388901 is about 47627.6065008520. The cubic root of 2268388901 is about 1313.9308346485.

The spelling of 2268388901 in words is "two billion, two hundred sixty-eight million, three hundred eighty-eight thousand, nine hundred one".