Search a number
-
+
212443100310 = 23573037333103
BaseRepresentation
bin1100010111011010011…
…0000111010010010110
3202022100112011200012110
43011312212013102112
511440040413202220
6241332304531450
721230352362250
oct3056646072226
9668315150173
10212443100310
1182107656681
123520a920b86
131705820601c
14a3d48c2cd0
1557d5a6dbe0
hex3176987496

212443100310 has 64 divisors (see below), whose sum is σ = 582894692352. Its totient is φ = 48542288256.

The previous prime is 212443100297. The next prime is 212443100327. The reversal of 212443100310 is 13001344212.

212443100310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2124431003102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 471219 + ... + 804321.

It is an arithmetic number, because the mean of its divisors is an integer number (9107729568).

Almost surely, 2212443100310 is an apocalyptic number.

212443100310 is an abundant number, since it is smaller than the sum of its proper divisors (370451592042).

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

212443100310 is a wasteful number, since it uses less digits than its factorization.

212443100310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336157.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212443100310 its reverse (13001344212), we get a palindrome (225444444522).

The spelling of 212443100310 in words is "two hundred twelve billion, four hundred forty-three million, one hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3037 6074 9111 15185 18222 21259 30370 42518 45555 63777 91110 106295 127554 212590 318885 333103 637770 666206 999309 1665515 1998618 2331721 3331030 4663442 4996545 6995163 9993090 11658605 13990326 23317210 34975815 69951630 1011633811 2023267622 3034901433 5058169055 6069802866 7081436677 10116338110 14162873354 15174507165 21244310031 30349014330 35407183385 42488620062 70814366770 106221550155 212443100310