Search a number
-
+
12132342331 = 71283360317
BaseRepresentation
bin10110100110010010…
…01101101000111011
31011022112010211220021
423103021031220323
5144321334423311
65323514111311
7606436131304
oct132311155073
934275124807
1012132342331
1151664333aa
12242711b537
1311b46c04b5
1483142b7ab
154b01b3171
hex2d324da3b

12132342331 has 8 divisors (see below), whose sum is σ = 12307767264. Its totient is φ = 11957043840.

The previous prime is 12132342239. The next prime is 12132342359. The reversal of 12132342331 is 13324323121.

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 12132342331 - 213 = 12132334139 is a prime.

It is a super-2 number, since 2×121323423312 (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 = 12132342296 and 12132342305.

It is not an unprimeable number, because it can be changed into a prime (12132342031) 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, 170985 + ... + 231301.

It is an arithmetic number, because the mean of its divisors is an integer number (1538470908).

Almost surely, 212132342331 is an apocalyptic number.

12132342331 is a deficient number, since it is larger than the sum of its proper divisors (175424933).

12132342331 is an equidigital number, since it uses as much as digits as its factorization.

12132342331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221.

The product of its digits is 2592, while the sum is 25.

Adding to 12132342331 its reverse (13324323121), we get a palindrome (25456665452).

The spelling of 12132342331 in words is "twelve billion, one hundred thirty-two million, three hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 71 2833 60317 201143 4282507 170878061 12132342331