Search a number
-
+
212320233122 = 21811324944269
BaseRepresentation
bin1100010110111101000…
…1011010011010100010
3202022000221222101002212
43011233101122122202
511434312434424442
6241312155242122
721224331130004
oct3055721323242
9668027871085
10212320233122
1182054266748
1235195749342
131703891704a
14a3c245c374
1557c9d9da82
hex316f45a6a2

212320233122 has 16 divisors (see below), whose sum is σ = 320271315000. Its totient is φ = 105563243520.

The previous prime is 212320233107. The next prime is 212320233131. The reversal of 212320233122 is 221332023212.

212320233122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 158556072481 + 53764160641 = 398191^2 + 231871^2 .

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 7 ways as a sum of consecutive naturals, for example, 4774004 + ... + 4818272.

Almost surely, 2212320233122 is an apocalyptic number.

212320233122 is a deficient number, since it is larger than the sum of its proper divisors (107951081878).

212320233122 is a wasteful number, since it uses less digits than its factorization.

212320233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57701.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212320233122 its reverse (221332023212), we get a palindrome (433652256334).

The spelling of 212320233122 in words is "two hundred twelve billion, three hundred twenty million, two hundred thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 181 362 13249 26498 44269 88538 2398069 4796138 8012689 16025378 586519981 1173039962 106160116561 212320233122