Search a number
-
+
12002333331 = 315725482661
BaseRepresentation
bin10110010110110010…
…10001001010010011
31010222110111201002010
423023121101022103
5144040044131311
65302551354003
7603300102312
oct131331211223
933873451063
1012002333331
1150aa00574a
1223ab682903
1311937a08b1
1481c068279
154a3a81da6
hex2cb651293

12002333331 has 8 divisors (see below), whose sum is σ = 16105042384. Its totient is φ = 7950589920.

The previous prime is 12002333303. The next prime is 12002333339. The reversal of 12002333331 is 13333320021.

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

It is not a de Polignac number, because 12002333331 - 221 = 12000236179 is a prime.

It is a super-2 number, since 2×120023333312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002333298 and 12002333307.

It is not an unprimeable number, because it can be changed into a prime (12002333339) 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, 12740860 + ... + 12741801.

It is an arithmetic number, because the mean of its divisors is an integer number (2013130298).

Almost surely, 212002333331 is an apocalyptic number.

12002333331 is a deficient number, since it is larger than the sum of its proper divisors (4102709053).

12002333331 is a wasteful number, since it uses less digits than its factorization.

12002333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25482821.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 12002333331 its reverse (13333320021), we get a palindrome (25335653352).

The spelling of 12002333331 in words is "twelve billion, two million, three hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 3 157 471 25482661 76447983 4000777777 12002333331