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212030013222 = 232791126113241
BaseRepresentation
bin1100010101110111111…
…0010011111100100110
3202021021201212200020200
43011131332103330212
511433214140410342
6241223311011330
721214205242566
oct3053576237446
9667251780220
10212030013222
1181a15462195
1235114509b46
1316cc07619b1
14a395ab2da6
1557ae67294c
hex315df93f26

212030013222 has 48 divisors (see below), whose sum is σ = 465289980480. Its totient is φ = 69770563200.

The previous prime is 212030013199. The next prime is 212030013233. The reversal of 212030013222 is 222310030212.

212030013222 is a `hidden beast` number, since 21 + 20 + 300 + 1 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212030013195 and 212030013204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16006522 + ... + 16019762.

It is an arithmetic number, because the mean of its divisors is an integer number (9693541260).

Almost surely, 2212030013222 is an apocalyptic number.

212030013222 is an abundant number, since it is smaller than the sum of its proper divisors (253259967258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212030013222 is a wasteful number, since it uses less digits than its factorization.

212030013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24589 (or 24586 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212030013222 its reverse (222310030212), we get a palindrome (434340043434).

The spelling of 212030013222 in words is "two hundred twelve billion, thirty million, thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 11261 13241 22522 26482 33783 39723 67566 79446 101349 119169 202698 238338 889619 1046039 1779238 2092078 2668857 3138117 5337714 6276234 8006571 9414351 16013142 18828702 149106901 298213802 447320703 894641406 1341962109 2683924218 11779445179 23558890358 35338335537 70676671074 106015006611 212030013222