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2669967361 = 9281287681
BaseRepresentation
bin1001111100100100…
…0111100000000001
320220002000101200001
42133021013200001
520432002423421
61120534400001
7123110230255
oct23711074001
96802011601
102669967361
111150143aa6
12626200001
133371cc959
141b4856265
15109601691
hex9f247801

2669967361 has 4 divisors (see below), whose sum is σ = 2670264324. Its totient is φ = 2669670400.

The previous prime is 2669967347. The next prime is 2669967371. The reversal of 2669967361 is 1637699662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1496219761 + 1173747600 = 38681^2 + 34260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669967361 - 25 = 2669967329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669967341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134560 + ... + 153121.

It is an arithmetic number, because the mean of its divisors is an integer number (667566081).

Almost surely, 22669967361 is an apocalyptic number.

It is an amenable number.

2669967361 is a deficient number, since it is larger than the sum of its proper divisors (296963).

2669967361 is an equidigital number, since it uses as much as digits as its factorization.

2669967361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296962.

The product of its digits is 4408992, while the sum is 55.

The square root of 2669967361 is about 51671.7269016626. The cubic root of 2669967361 is about 1387.2944562119.

The spelling of 2669967361 in words is "two billion, six hundred sixty-nine million, nine hundred sixty-seven thousand, three hundred sixty-one".

Divisors: 1 9281 287681 2669967361