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2044095689 = 2131959219
BaseRepresentation
bin111100111010110…
…0110110011001001
312021110022211010202
41321311212303021
513141242030224
6534500021545
7101440345436
oct17165466311
95243284122
102044095689
11959925389
124906918b5
1326764619c
14155696b8d
15be6c2eae
hex79d66cc9

2044095689 has 4 divisors (see below), whose sum is σ = 2045057040. Its totient is φ = 2043134340.

The previous prime is 2044095661. The next prime is 2044095707. The reversal of 2044095689 is 9865904402.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9865904402 = 24932952201.

It is a cyclic number.

It is not a de Polignac number, because 2044095689 - 220 = 2043047113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2044095619) 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, 477479 + ... + 481740.

It is an arithmetic number, because the mean of its divisors is an integer number (511264260).

Almost surely, 22044095689 is an apocalyptic number.

It is an amenable number.

2044095689 is a deficient number, since it is larger than the sum of its proper divisors (961351).

2044095689 is an equidigital number, since it uses as much as digits as its factorization.

2044095689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961350.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 2044095689 is about 45211.6764674791. The cubic root of 2044095689 is about 1269.1133350634.

The spelling of 2044095689 in words is "two billion, forty-four million, ninety-five thousand, six hundred eighty-nine".

Divisors: 1 2131 959219 2044095689