Search a number
-
+
2144200211 = 23914276287
BaseRepresentation
bin111111111001101…
…1110011000010011
312112102200122201122
41333303132120103
513342403401321
6552433352455
7104064254366
oct17763363023
95472618648
102144200211
11a0038839a
124ba10872b
132822c542a
14164ab40dd
15c83988ab
hex7fcde613

2144200211 has 8 divisors (see below), whose sum is σ = 2155023360. Its totient is φ = 2133392968.

The previous prime is 2144200159. The next prime is 2144200273. The reversal of 2144200211 is 1120024412.

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 2144200211 - 214 = 2144183827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144200211.

It is not an unprimeable number, because it can be changed into a prime (2144280211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337910 + ... + 344196.

It is an arithmetic number, because the mean of its divisors is an integer number (269377920).

Almost surely, 22144200211 is an apocalyptic number.

2144200211 is a deficient number, since it is larger than the sum of its proper divisors (10823149).

2144200211 is a wasteful number, since it uses less digits than its factorization.

2144200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2144200211 is about 46305.5095102084. The cubic root of 2144200211 is about 1289.5012816894.

Adding to 2144200211 its reverse (1120024412), we get a palindrome (3264224623).

The spelling of 2144200211 in words is "two billion, one hundred forty-four million, two hundred thousand, two hundred eleven".

Divisors: 1 239 1427 6287 341053 1502593 8971549 2144200211