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2661245435 = 5532249087
BaseRepresentation
bin1001111010011111…
…0110000111111011
320212110121021102202
42132213312013323
520422234323220
61120023420415
7122643133022
oct23647660773
96773537382
102661245435
1111462270a2
126232b470b
13335467a54
141b36258b9
1510897c275
hex9e9f61fb

2661245435 has 4 divisors (see below), whose sum is σ = 3193494528. Its totient is φ = 2128996344.

The previous prime is 2661245423. The next prime is 2661245443. The reversal of 2661245435 is 5345421662.

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

It is a cyclic number.

It is not a de Polignac number, because 2661245435 - 218 = 2660983291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266124539 + ... + 266124548.

It is an arithmetic number, because the mean of its divisors is an integer number (798373632).

Almost surely, 22661245435 is an apocalyptic number.

2661245435 is a deficient number, since it is larger than the sum of its proper divisors (532249093).

2661245435 is an equidigital number, since it uses as much as digits as its factorization.

2661245435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532249092.

The product of its digits is 172800, while the sum is 38.

The square root of 2661245435 is about 51587.2603944036. The cubic root of 2661245435 is about 1385.7821931532.

The spelling of 2661245435 in words is "two billion, six hundred sixty-one million, two hundred forty-five thousand, four hundred thirty-five".

Divisors: 1 5 532249087 2661245435