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2095220197 = 7299317171
BaseRepresentation
bin111110011100010…
…1000010111100101
312102000112012210001
41330320220113211
513242334021242
6543523501301
7102631035460
oct17470502745
95360465701
102095220197
11985773a44
124a5827831
13275106385
1415c3a42d7
15c3e20eb7
hex7ce285e5

2095220197 has 4 divisors (see below), whose sum is σ = 2394537376. Its totient is φ = 1795903020.

The previous prime is 2095220189. The next prime is 2095220203. The reversal of 2095220197 is 7910225902.

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 2095220197 - 23 = 2095220189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2095220137) 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, 149658579 + ... + 149658592.

It is an arithmetic number, because the mean of its divisors is an integer number (598634344).

Almost surely, 22095220197 is an apocalyptic number.

It is an amenable number.

2095220197 is a deficient number, since it is larger than the sum of its proper divisors (299317179).

2095220197 is an equidigital number, since it uses as much as digits as its factorization.

2095220197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299317178.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2095220197 is about 45773.5753137113. The cubic root of 2095220197 is about 1279.6068529323.

The spelling of 2095220197 in words is "two billion, ninety-five million, two hundred twenty thousand, one hundred ninety-seven".

Divisors: 1 7 299317171 2095220197