Search a number
-
+
18010246218 = 2341612834241
BaseRepresentation
bin10000110001011111…
…101000110001001010
31201111011110022012020
4100301133220301022
5243341110334333
612135050025310
71205211365316
oct206137506112
951434408166
1018010246218
117702350608
1235a7718236
1319103aa233
14c2bd36b46
1570622e3b3
hex4317e8c4a

18010246218 has 64 divisors (see below), whose sum is σ = 37645340544. Its totient is φ = 5739264000.

The previous prime is 18010246201. The next prime is 18010246231. The reversal of 18010246218 is 81264201081.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4244578 + ... + 4248818.

It is an arithmetic number, because the mean of its divisors is an integer number (588208446).

Almost surely, 218010246218 is an apocalyptic number.

18010246218 is an abundant number, since it is smaller than the sum of its proper divisors (19635094326).

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

18010246218 is a wasteful number, since it uses less digits than its factorization.

18010246218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its (nonzero) digits is 6144, while the sum is 33.

Adding to 18010246218 its reverse (81264201081), we get a palindrome (99274447299).

The spelling of 18010246218 in words is "eighteen billion, ten million, two hundred forty-six thousand, two hundred eighteen".

Divisors: 1 2 3 6 41 61 82 122 123 183 246 283 366 566 849 1698 2501 4241 5002 7503 8482 11603 12723 15006 17263 23206 25446 34526 34809 51789 69618 103578 173881 258701 347762 517402 521643 707783 776103 1043286 1200203 1415566 1552206 2123349 2400406 3600609 4246698 7201218 10606741 21213482 31820223 49208323 63640446 73212383 98416646 146424766 147624969 219637149 295249938 439274298 3001707703 6003415406 9005123109 18010246218