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4294281281 is a prime number
BaseRepresentation
bin1111111111110101…
…1000100001000001
3102002021110002110212
43333331120201001
532243314000111
61550041203505
7211262534333
oct37775304101
912067402425
104294281281
1119040120a4
129ba190595
13535899554
142ca479453
151a200498b
hexfff58841

4294281281 has 2 divisors, whose sum is σ = 4294281282. Its totient is φ = 4294281280.

The previous prime is 4294281269. The next prime is 4294281323. The reversal of 4294281281 is 1821824924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2660909056 + 1633372225 = 51584^2 + 40415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4294281281 is a prime.

It is a super-2 number, since 2×42942812812 = 36881703440694001922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4294281881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147140640 + 2147140641.

It is an arithmetic number, because the mean of its divisors is an integer number (2147140641).

Almost surely, 24294281281 is an apocalyptic number.

It is an amenable number.

4294281281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4294281281 is an equidigital number, since it uses as much as digits as its factorization.

4294281281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 41.

The square root of 4294281281 is about 65530.7659118982. The cubic root of 4294281281 is about 1625.4121281784.

The spelling of 4294281281 in words is "four billion, two hundred ninety-four million, two hundred eighty-one thousand, two hundred eighty-one".