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2105050033 = 19110792107
BaseRepresentation
bin111110101111000…
…1000001110110001
312102201000121210001
41331132020032301
513302343100113
6544514310001
7103110426052
oct17536101661
95381017701
102105050033
11990278279
124a8b88301
13277168648
1415d802729
15c4c137dd
hex7d7883b1

2105050033 has 4 divisors (see below), whose sum is σ = 2215842160. Its totient is φ = 1994257908.

The previous prime is 2105049929. The next prime is 2105050063. The reversal of 2105050033 is 3300505012.

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 2105050033 - 229 = 1568179121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 110792107 = 2105050033 / (2 + 1 + 0 + 5 + 0 + 5 + 0 + 0 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105050063) 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, 55396035 + ... + 55396072.

It is an arithmetic number, because the mean of its divisors is an integer number (553960540).

Almost surely, 22105050033 is an apocalyptic number.

It is an amenable number.

2105050033 is a deficient number, since it is larger than the sum of its proper divisors (110792127).

2105050033 is a wasteful number, since it uses less digits than its factorization.

2105050033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110792126.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2105050033 is about 45880.8242406346. The cubic root of 2105050033 is about 1281.6048459533.

Adding to 2105050033 its reverse (3300505012), we get a palindrome (5405555045).

The spelling of 2105050033 in words is "two billion, one hundred five million, fifty thousand, thirty-three".

Divisors: 1 19 110792107 2105050033