Search a number
-
+
212431003003 = 868372446319
BaseRepresentation
bin1100010111010111011…
…1111101110101111011
3202022022200102001211001
43011311313331311323
511440024314044003
6241331153345431
721230144506162
oct3056567756573
9668280361731
10212431003003
11821008437aa
1235206868277
131705585b95b
14a3d30543d9
1557d497e61d
hex3175dfdd7b

212431003003 has 4 divisors (see below), whose sum is σ = 212433536160. Its totient is φ = 212428469848.

The previous prime is 212431002997. The next prime is 212431003007. The reversal of 212431003003 is 300300134212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212431003003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212431003007) 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, 1136323 + ... + 1309996.

It is an arithmetic number, because the mean of its divisors is an integer number (53108384040).

Almost surely, 2212431003003 is an apocalyptic number.

212431003003 is a deficient number, since it is larger than the sum of its proper divisors (2533157).

212431003003 is an equidigital number, since it uses as much as digits as its factorization.

212431003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533156.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212431003003 its reverse (300300134212), we get a palindrome (512731137215).

The spelling of 212431003003 in words is "two hundred twelve billion, four hundred thirty-one million, three thousand, three".

Divisors: 1 86837 2446319 212431003003