Search a number
-
+
2119199837 = 9765333457
BaseRepresentation
bin111111001010000…
…0110110001011101
312110200122111122212
41332110012301131
513320003343322
6550141450205
7103341621116
oct17624066135
95420574585
102119199837
11998262227
124b1870965
1327a081001
1416164720d
15c60ab0e2
hex7e506c5d

2119199837 has 8 divisors (see below), whose sum is σ = 2144390136. Its totient is φ = 2094077952.

The previous prime is 2119199833. The next prime is 2119199839. The reversal of 2119199837 is 7389919112.

It can be written as a sum of positive squares in 4 ways, for example, as 53860921 + 2065338916 = 7339^2 + 45446^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2119199837 - 22 = 2119199833 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 (2119199833) 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 7 ways as a sum of consecutive naturals, for example, 46613 + ... + 80069.

It is an arithmetic number, because the mean of its divisors is an integer number (268048767).

Almost surely, 22119199837 is an apocalyptic number.

It is an amenable number.

2119199837 is a deficient number, since it is larger than the sum of its proper divisors (25190299).

2119199837 is an equidigital number, since it uses as much as digits as its factorization.

2119199837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34207.

The product of its digits is 244944, while the sum is 50.

The square root of 2119199837 is about 46034.7676979042. The cubic root of 2119199837 is about 1284.4700155628.

The spelling of 2119199837 in words is "two billion, one hundred nineteen million, one hundred ninety-nine thousand, eight hundred thirty-seven".

Divisors: 1 97 653 33457 63341 3245329 21847421 2119199837