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213023142232 = 231911531215497
BaseRepresentation
bin1100011001100100101…
…0110011000101011000
3202100211221121212010121
43012121022303011120
511442232411022412
6241510025123024
721250624555465
oct3063112630530
9670757555117
10213023142232
118238501276a
1235351029474
131711b4345b4
14a44b95266c
15581b948107
hex31992b3158

213023142232 has 32 divisors (see below), whose sum is σ = 420805407600. Its totient is φ = 100818100224.

The previous prime is 213023142217. The next prime is 213023142287. The reversal of 213023142232 is 232241320312.

It is a junction number, because it is equal to n+sod(n) for n = 213023142197 and 213023142206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432493 + ... + 783004.

Almost surely, 2213023142232 is an apocalyptic number.

It is an amenable number.

213023142232 is a deficient number, since it is larger than the sum of its proper divisors (207782265368).

213023142232 is a wasteful number, since it uses less digits than its factorization.

213023142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216675 (or 1216671 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213023142232 its reverse (232241320312), we get a palindrome (445264462544).

The spelling of 213023142232 in words is "two hundred thirteen billion, twenty-three million, one hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 152 1153 2306 4612 9224 21907 43814 87628 175256 1215497 2430994 4861988 9723976 23094443 46188886 92377772 184755544 1401468041 2802936082 5605872164 11211744328 26627892779 53255785558 106511571116 213023142232