Search a number
-
+
2112202210200 = 2335283187122669
BaseRepresentation
bin11110101111001001000…
…011111111101110011000
321110220222000002200210220
4132233021003333232120
5234101242231211300
64254155435440040
7305413224361305
oct36571103775630
97426860080726
102112202210200
117448640a0025
122a14382b6020
13124245087924
14743343280ac
1539e235cbda0
hex1ebc90ffb98

2112202210200 has 192 divisors, whose sum is σ = 6630550617600. Its totient is φ = 556145779200.

The previous prime is 2112202210187. The next prime is 2112202210211. The reversal of 2112202210200 is 20122022112.

It is a super-2 number, since 2×21122022102002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2112202210200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93164466 + ... + 93187134.

It is an arithmetic number, because the mean of its divisors is an integer number (34534117800).

Almost surely, 22112202210200 is an apocalyptic number.

2112202210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112202210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3315275308800).

2112202210200 is an abundant number, since it is smaller than the sum of its proper divisors (4518348407400).

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

2112202210200 is a wasteful number, since it uses less digits than its factorization.

2112202210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24642 (or 24633 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2112202210200 its reverse (20122022112), we get a palindrome (2132324232312).

The spelling of 2112202210200 in words is "two trillion, one hundred twelve billion, two hundred two million, two hundred ten thousand, two hundred".