Search a number
-
+
12300132021 = 34100044007
BaseRepresentation
bin10110111010010010…
…10001111010110101
31011202012212110002020
423131021101322311
5200142313211041
65352310303353
7613544253132
oct133511217265
934665773066
1012300132021
115242116271
122473357b59
1312103aa738
14849827589
154beca8866
hex2dd251eb5

12300132021 has 4 divisors (see below), whose sum is σ = 16400176032. Its totient is φ = 8200088012.

The previous prime is 12300132001. The next prime is 12300132023. The reversal of 12300132021 is 12023100321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12300132021 - 26 = 12300131957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300132023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050022001 + ... + 2050022006.

It is an arithmetic number, because the mean of its divisors is an integer number (4100044008).

Almost surely, 212300132021 is an apocalyptic number.

It is an amenable number.

12300132021 is a deficient number, since it is larger than the sum of its proper divisors (4100044011).

12300132021 is an equidigital number, since it uses as much as digits as its factorization.

12300132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100044010.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12300132021 its reverse (12023100321), we get a palindrome (24323232342).

The spelling of 12300132021 in words is "twelve billion, three hundred million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 3 4100044007 12300132021