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2194192199 = 2557985781
BaseRepresentation
bin1000001011001000…
…1011011101000111
312122220202111211202
42002302023131013
513443203122244
61001421053115
7105242216543
oct20262133507
95586674752
102194192199
11a26623091
125129b719b
1328c779ca4
1416b5a8a23
15cc97104e
hex82c8b747

2194192199 has 4 divisors (see below), whose sum is σ = 2194303560. Its totient is φ = 2194080840.

The previous prime is 2194192177. The next prime is 2194192213. The reversal of 2194192199 is 9912914912.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2194192199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194192699) 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, 17312 + ... + 68469.

It is an arithmetic number, because the mean of its divisors is an integer number (548575890).

Almost surely, 22194192199 is an apocalyptic number.

2194192199 is a deficient number, since it is larger than the sum of its proper divisors (111361).

2194192199 is an equidigital number, since it uses as much as digits as its factorization.

2194192199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111360.

The product of its digits is 104976, while the sum is 47.

The square root of 2194192199 is about 46842.2053174271. The cubic root of 2194192199 is about 1299.4459570043.

The spelling of 2194192199 in words is "two billion, one hundred ninety-four million, one hundred ninety-two thousand, one hundred ninety-nine".

Divisors: 1 25579 85781 2194192199