Search a number
-
+
2212100002200 = 23352112108728031
BaseRepresentation
bin100000001100001011011…
…011110101000110011000
321211110211001102100001010
4200030023123311012120
5242220340100032300
64412120312053520
7315550620530304
oct40141333650630
97743731370033
102212100002200
11783167866800
122b88779942a0
131307a565c85a
14790cd980d04
153c81d877a50
hex2030b6f5198

2212100002200 has 288 divisors, whose sum is σ = 7544797102080. Its totient is φ = 535754208000.

The previous prime is 2212100002199. The next prime is 2212100002207. The reversal of 2212100002200 is 22000012122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212100002207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 78902185 + ... + 78930215.

It is an arithmetic number, because the mean of its divisors is an integer number (26197212160).

Almost surely, 22212100002200 is an apocalyptic number.

2212100002200 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 2212100002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3772398551040).

2212100002200 is an abundant number, since it is smaller than the sum of its proper divisors (5332697099880).

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

2212100002200 is a wasteful number, since it uses less digits than its factorization.

2212100002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29159 (or 29139 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2212100002200 its reverse (22000012122), we get a palindrome (2234100014322).

The spelling of 2212100002200 in words is "two trillion, two hundred twelve billion, one hundred million, two thousand, two hundred".