Search a number
-
+
212431312202 = 2154368837107
BaseRepresentation
bin1100010111010111100…
…1001001010101001010
3202022022200222202221212
43011311321021111022
511440024403442302
6241331204133122
721230150234504
oct3056571112512
9668280882855
10212431312202
1182100a3503a
12352069971a2
1317055939605
14a3d30d4d74
1557d49e1052
hex3175e4954a

212431312202 has 8 divisors (see below), whose sum is σ = 318853484256. Its totient is φ = 106146817452.

The previous prime is 212431312199. The next prime is 212431312213. The reversal of 212431312202 is 202213134212.

212431312202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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, 34415468 + ... + 34421639.

It is an arithmetic number, because the mean of its divisors is an integer number (39856685532).

Almost surely, 2212431312202 is an apocalyptic number.

212431312202 is a deficient number, since it is larger than the sum of its proper divisors (106422172054).

212431312202 is a wasteful number, since it uses less digits than its factorization.

212431312202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68838652.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212431312202 its reverse (202213134212), we get a palindrome (414644446414).

The spelling of 212431312202 in words is "two hundred twelve billion, four hundred thirty-one million, three hundred twelve thousand, two hundred two".

Divisors: 1 2 1543 3086 68837107 137674214 106215656101 212431312202