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2263226681 = 7928648439
BaseRepresentation
bin1000011011100110…
…0001100100111001
312211201122211100102
42012321201210321
514113341223211
61012324445145
7110041052342
oct20671414471
95751584312
102263226681
11a61594781
12531b497b5
132a0b6b1b1
141768190c9
15d3a5aa3b
hex86e61939

2263226681 has 4 divisors (see below), whose sum is σ = 2291875200. Its totient is φ = 2234578164.

The previous prime is 2263226663. The next prime is 2263226683. The reversal of 2263226681 is 1866223622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2263226681 - 214 = 2263210297 is a prime.

It is a super-2 number, since 2×22632266812 = 10244390019180551522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2263226683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14324141 + ... + 14324298.

It is an arithmetic number, because the mean of its divisors is an integer number (572968800).

Almost surely, 22263226681 is an apocalyptic number.

It is an amenable number.

2263226681 is a deficient number, since it is larger than the sum of its proper divisors (28648519).

2263226681 is an equidigital number, since it uses as much as digits as its factorization.

2263226681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28648518.

The product of its digits is 82944, while the sum is 38.

The square root of 2263226681 is about 47573.3820639231. The cubic root of 2263226681 is about 1312.9333643296.

The spelling of 2263226681 in words is "two billion, two hundred sixty-three million, two hundred twenty-six thousand, six hundred eighty-one".

Divisors: 1 79 28648439 2263226681