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211301231230 = 25172399195659
BaseRepresentation
bin1100010011001010001…
…0001110101001111110
3202012101221112201022001
43010302202032221332
511430221103344410
6241023114412514
721160145555005
oct3046242165176
9665357481261
10211301231230
1181681044521
1234b5043113a
1316c05785b4b
14a326da5c3c
15576a6b733a
hex313288ea7e

211301231230 has 64 divisors (see below), whose sum is σ = 404911872000. Its totient is φ = 79115678208.

The previous prime is 211301231159. The next prime is 211301231231. The reversal of 211301231230 is 32132103112.

211301231230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211301231198 and 211301231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211301231231) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 37336141 + ... + 37341799.

It is an arithmetic number, because the mean of its divisors is an integer number (6326748000).

Almost surely, 2211301231230 is an apocalyptic number.

211301231230 is a deficient number, since it is larger than the sum of its proper divisors (193610640770).

211301231230 is a wasteful number, since it uses less digits than its factorization.

211301231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211301231230 its reverse (32132103112), we get a palindrome (243433334342).

The spelling of 211301231230 in words is "two hundred eleven billion, three hundred one million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 239 478 919 1195 1838 2390 4063 4595 5659 8126 9190 11318 15623 20315 28295 31246 40630 56590 78115 96203 156230 192406 219641 439282 481015 962030 1098205 1352501 2196410 2705002 3733897 5200621 6762505 7467794 10401242 13525010 18669485 22992517 26003105 37338970 45985034 52006210 88410557 114962585 176821114 229925170 442052785 884105570 1242948419 2485896838 6214742095 12429484190 21130123123 42260246246 105650615615 211301231230