Search a number
-
+
220012211212110 = 232523289283183473
BaseRepresentation
bin110010000001100110010101…
…101100100000111101001110
31001211222221222021122102010100
4302001212111230200331032
5212314140002032241420
62055532114200151530
764225233460046052
oct6201462554407516
91054887867572110
10220012211212110
1164114722582819
1220813a104685a6
13959c0a73b8bc5
143c4890d95dc62
151a68050eb7190
hexc81995b20f4e

220012211212110 has 288 divisors, whose sum is σ = 606843029126880. Its totient is φ = 55292131749888.

The previous prime is 220012211212051. The next prime is 220012211212141. The reversal of 220012211212110 is 11212112210022.

220012211212110 is a `hidden beast` number, since 220 + 0 + 1 + 2 + 211 + 21 + 211 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1199061334 + ... + 1199244806.

It is an arithmetic number, because the mean of its divisors is an integer number (2107093851135).

Almost surely, 2220012211212110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220012211212110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303421514563440).

220012211212110 is an abundant number, since it is smaller than the sum of its proper divisors (386830817914770).

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

220012211212110 is a wasteful number, since it uses less digits than its factorization.

220012211212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183904 (or 183878 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220012211212110 its reverse (11212112210022), we get a palindrome (231224323422132).

The spelling of 220012211212110 in words is "two hundred twenty trillion, twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred ten".