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2665488073 = 12592117147
BaseRepresentation
bin1001111011100000…
…0001111011001001
320212202120211020111
42132320001323021
520424331104243
61120254354321
7123024163153
oct23670017311
96782524214
102665488073
111148664706
126247bb9a1
133362c1ba1
141b400bad3
1510901939d
hex9ee01ec9

2665488073 has 4 divisors (see below), whose sum is σ = 2667606480. Its totient is φ = 2663369668.

The previous prime is 2665488061. The next prime is 2665488083. The reversal of 2665488073 is 3708845662.

2665488073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2665488073 - 25 = 2665488041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2665488013) 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, 1057315 + ... + 1059832.

It is an arithmetic number, because the mean of its divisors is an integer number (666901620).

Almost surely, 22665488073 is an apocalyptic number.

It is an amenable number.

2665488073 is a deficient number, since it is larger than the sum of its proper divisors (2118407).

2665488073 is a wasteful number, since it uses less digits than its factorization.

2665488073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118406.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 2665488073 is about 51628.3650041331. The cubic root of 2665488073 is about 1386.5182207942.

The spelling of 2665488073 in words is "two billion, six hundred sixty-five million, four hundred eighty-eight thousand, seventy-three".

Divisors: 1 1259 2117147 2665488073