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2275371281 is a prime number
BaseRepresentation
bin1000011110011111…
…0110100100010001
312212120111211121102
42013213312210101
514124443340111
61013441034145
7110246223341
oct20747664421
95776454542
102275371281
11a6842a137
12536025955
132a3530c51
1417829ad21
15d4b5913b
hex879f6911

2275371281 has 2 divisors, whose sum is σ = 2275371282. Its totient is φ = 2275371280.

The previous prime is 2275371257. The next prime is 2275371289. The reversal of 2275371281 is 1821735722.

2275371281 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., 2218881025 + 56490256 = 47105^2 + 7516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275371281 - 222 = 2271176977 is a prime.

It is a super-2 number, since 2×22753712812 = 10354628932799161922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2275371289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137685640 + 1137685641.

It is an arithmetic number, because the mean of its divisors is an integer number (1137685641).

Almost surely, 22275371281 is an apocalyptic number.

It is an amenable number.

2275371281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275371281 is an equidigital number, since it uses as much as digits as its factorization.

2275371281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 38.

The square root of 2275371281 is about 47700.8519944875. The cubic root of 2275371281 is about 1315.2776006532.

The spelling of 2275371281 in words is "two billion, two hundred seventy-five million, three hundred seventy-one thousand, two hundred eighty-one".