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2243027551 = 2397522937
BaseRepresentation
bin1000010110110001…
…1110001001011111
312210022122121100111
42011230132021133
514043203340201
61010323510451
7106404263632
oct20554361137
95708577314
102243027551
11a51148886
12527228427
1329991824b
14173c7bc19
15d1dbab51
hex85b1e25f

2243027551 has 4 divisors (see below), whose sum is σ = 2340550512. Its totient is φ = 2145504592.

The previous prime is 2243027531. The next prime is 2243027557. The reversal of 2243027551 is 1557203422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1557203422 = 2778601711.

It is a cyclic number.

It is not a de Polignac number, because 2243027551 - 25 = 2243027519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243027557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48761446 + ... + 48761491.

It is an arithmetic number, because the mean of its divisors is an integer number (585137628).

Almost surely, 22243027551 is an apocalyptic number.

2243027551 is a deficient number, since it is larger than the sum of its proper divisors (97522961).

2243027551 is an equidigital number, since it uses as much as digits as its factorization.

2243027551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97522960.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2243027551 is about 47360.6118098151. The cubic root of 2243027551 is about 1309.0157420337.

The spelling of 2243027551 in words is "two billion, two hundred forty-three million, twenty-seven thousand, five hundred fifty-one".

Divisors: 1 23 97522937 2243027551