Search a number
-
+
213123243222130 = 2571312239613861
BaseRepresentation
bin110000011101010110011111…
…001101001010010001110010
31000221121101100020222221201111
4300131112133031022101302
5210413302400231102010
62033135244420023534
762614434434226553
oct6035263715122162
91027541306887644
10213123243222130
11619a9072761a2a
121baa0866b31baa
1391bc5880244b7
143a8b3119cc32a
151998c582b658a
hexc1d59f34a472

213123243222130 has 32 divisors (see below), whose sum is σ = 389037462306048. Its totient is φ = 84045902337600.

The previous prime is 213123243222101. The next prime is 213123243222193. The reversal of 213123243222130 is 31222342321312.

It is a happy number.

213123243222130 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 = 213123243222092 and 213123243222101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17361400 + ... + 26975260.

It is an arithmetic number, because the mean of its divisors is an integer number (12157420697064).

Almost surely, 2213123243222130 is an apocalyptic number.

213123243222130 is a deficient number, since it is larger than the sum of its proper divisors (175914219083918).

213123243222130 is a wasteful number, since it uses less digits than its factorization.

213123243222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645162.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 213123243222130 its reverse (31222342321312), we get a palindrome (244345585543442).

The spelling of 213123243222130 in words is "two hundred thirteen trillion, one hundred twenty-three billion, two hundred forty-three million, two hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 31223 62446 156115 312230 2216833 4433666 9613861 11084165 19227722 22168330 48069305 96138610 682584131 1365168262 3412920655 6825841310 300173582003 600347164006 1500867910015 3001735820030 21312324322213 42624648644426 106561621611065 213123243222130