Search a number
-
+
2111032321 = 10919367269
BaseRepresentation
bin111110111010011…
…1100110000000001
312110010021112221021
41331310330300001
513310411013241
6545250425441
7103212323116
oct17564746001
95403245837
102111032321
11993693912
124aab92281
13278481568
1416051c90d
15c54e60d1
hex7dd3cc01

2111032321 has 4 divisors (see below), whose sum is σ = 2130399700. Its totient is φ = 2091664944.

The previous prime is 2111032309. The next prime is 2111032361. The reversal of 2111032321 is 1232301112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 958769296 + 1152263025 = 30964^2 + 33945^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111032321 - 25 = 2111032289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111032295 and 2111032304.

It is not an unprimeable number, because it can be changed into a prime (2111032361) 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, 9683526 + ... + 9683743.

It is an arithmetic number, because the mean of its divisors is an integer number (532599925).

Almost surely, 22111032321 is an apocalyptic number.

It is an amenable number.

2111032321 is a deficient number, since it is larger than the sum of its proper divisors (19367379).

2111032321 is a wasteful number, since it uses less digits than its factorization.

2111032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19367378.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2111032321 is about 45945.9717603187. The cubic root of 2111032321 is about 1282.8177510780.

Adding to 2111032321 its reverse (1232301112), we get a palindrome (3343333433).

The spelling of 2111032321 in words is "two billion, one hundred eleven million, thirty-two thousand, three hundred twenty-one".

Divisors: 1 109 19367269 2111032321