Search a number
-
+
3000231220121 = 29310239696997
BaseRepresentation
bin101011101010001011101…
…101110101001110011001
3101121211010021100110211022
4223222023231311032121
5343123433143020441
610214142011212225
7426521345411162
oct53521355651631
911554107313738
103000231220121
11a57433342893
1240556b447075
13189bc76c8645
14a52d78c4769
1553099bb884b
hex2ba8bb75399

3000231220121 has 4 divisors (see below), whose sum is σ = 3010470917412. Its totient is φ = 2989991522832.

The previous prime is 3000231220097. The next prime is 3000231220127. The reversal of 3000231220121 is 1210221320003.

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 2898829734025 + 101401486096 = 1702595^2 + 318436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000231220121 - 226 = 3000164111257 is a prime.

It is a super-3 number, since 3×30002312201213 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3000231220121.

It is not an unprimeable number, because it can be changed into a prime (3000231220127) 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, 5119848206 + ... + 5119848791.

It is an arithmetic number, because the mean of its divisors is an integer number (752617729353).

Almost surely, 23000231220121 is an apocalyptic number.

It is an amenable number.

3000231220121 is a deficient number, since it is larger than the sum of its proper divisors (10239697291).

3000231220121 is a wasteful number, since it uses less digits than its factorization.

3000231220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239697290.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3000231220121 its reverse (1210221320003), we get a palindrome (4210452540124).

The spelling of 3000231220121 in words is "three trillion, two hundred thirty-one million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 293 10239696997 3000231220121