Search a number
-
+
220011012011210 = 2572449002065329
BaseRepresentation
bin110010000001100101001110…
…001101111011010011001010
31001211222211212201010200202012
4302001211032031323103022
5212314130023033324320
62055531355201135522
764225161656026400
oct6201451615732312
91054884781120665
10220011012011210
11641141676723a2
122081373692a5a2
13959bc45b14384
143c4883859b470
151a67ed0a884c5
hexc8194e37b4ca

220011012011210 has 24 divisors (see below), whose sum is σ = 460676119028580. Its totient is φ = 75432346975104.

The previous prime is 220011012011207. The next prime is 220011012011237. The reversal of 220011012011210 is 12110210110022.

It can be written as a sum of positive squares in 2 ways, for example, as 219488047286641 + 522964724569 = 14815129^2 + 723163^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 224501032175 + ... + 224501033154.

Almost surely, 2220011012011210 is an apocalyptic number.

220011012011210 is an abundant number, since it is smaller than the sum of its proper divisors (240665107017370).

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

220011012011210 is a wasteful number, since it uses less digits than its factorization.

220011012011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449002065350 (or 449002065343 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220011012011210 its reverse (12110210110022), we get a palindrome (232121222121232).

The spelling of 220011012011210 in words is "two hundred twenty trillion, eleven billion, twelve million, eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 449002065329 898004130658 2245010326645 3143014457303 4490020653290 6286028914606 15715072286515 22001101201121 31430144573030 44002202402242 110005506005605 220011012011210