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211201232230 = 2553569700339
BaseRepresentation
bin1100010010110010010…
…0110000110101100110
3202012010222101020110101
43010230210300311212
511430020003412410
6241005143214314
721154522565512
oct3045444606546
9665128336411
10211201232230
118162a65381a
1234b22a4739a
1316bbab42941
14a3179b5142
155761a12d3a
hex312c930d66

211201232230 has 32 divisors (see below), whose sum is σ = 388016373600. Its totient is φ = 82740732672.

The previous prime is 211201232173. The next prime is 211201232237. The reversal of 211201232230 is 32232102112.

It is a junction number, because it is equal to n+sod(n) for n = 211201232198 and 211201232207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201232237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48600 + ... + 651739.

It is an arithmetic number, because the mean of its divisors is an integer number (12125511675).

Almost surely, 2211201232230 is an apocalyptic number.

211201232230 is a deficient number, since it is larger than the sum of its proper divisors (176815141370).

211201232230 is a wasteful number, since it uses less digits than its factorization.

211201232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700968.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211201232230 its reverse (32232102112), we get a palindrome (243433334342).

The spelling of 211201232230 in words is "two hundred eleven billion, two hundred one million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 569 1138 2845 5690 30157 60314 150785 301570 700339 1400678 3501695 7003390 37117967 74235934 185589835 371179670 398492891 796985782 1992464455 3984928910 21120123223 42240246446 105600616115 211201232230