Search a number
-
+
2102210002200 = 23352711178725463
BaseRepresentation
bin11110100101110101011…
…110101111110100011000
321102222011121222221022010
4132211311132233310120
5233420311230032300
64245424132025520
7304610503121460
oct36456536576430
97388147887263
102102210002200
117405a6818290
1229b509a622a0
13123311b98009
1473a67232ba0
1539a3b25ca50
hex1e9757afd18

2102210002200 has 384 divisors, whose sum is σ = 8129771089920. Its totient is φ = 436561267200.

The previous prime is 2102210002157. The next prime is 2102210002253. The reversal of 2102210002200 is 22000122012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82546669 + ... + 82572131.

It is an arithmetic number, because the mean of its divisors is an integer number (21171278880).

Almost surely, 22102210002200 is an apocalyptic number.

2102210002200 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 2102210002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064885544960).

2102210002200 is an abundant number, since it is smaller than the sum of its proper divisors (6027561087720).

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

2102210002200 is a wasteful number, since it uses less digits than its factorization.

2102210002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27287 (or 27278 counting only the distinct ones).

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

Adding to 2102210002200 its reverse (22000122012), we get a palindrome (2124210124212).

The spelling of 2102210002200 in words is "two trillion, one hundred two billion, two hundred ten million, two thousand, two hundred".