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2105343199 = 9832141753
BaseRepresentation
bin111110101111100…
…1111110011011111
312102201120111221001
41331133033303133
513302431440244
6544524451131
7103113056551
oct17537176337
95381514831
102105343199
11990458563
124a90a9aa7
1327723bc0b
1415d87b4d1
15c4c705d4
hex7d7cfcdf

2105343199 has 4 divisors (see below), whose sum is σ = 2107485936. Its totient is φ = 2103200464.

The previous prime is 2105343187. The next prime is 2105343277. The reversal of 2105343199 is 9913435012.

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 2105343199 - 217 = 2105212127 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 (2105343109) 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, 1069894 + ... + 1071859.

It is an arithmetic number, because the mean of its divisors is an integer number (526871484).

Almost surely, 22105343199 is an apocalyptic number.

2105343199 is a deficient number, since it is larger than the sum of its proper divisors (2142737).

2105343199 is an equidigital number, since it uses as much as digits as its factorization.

2105343199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142736.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2105343199 is about 45884.0189935450. The cubic root of 2105343199 is about 1281.6643386842.

The spelling of 2105343199 in words is "two billion, one hundred five million, three hundred forty-three thousand, one hundred ninety-nine".

Divisors: 1 983 2141753 2105343199