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2201889690 = 2335711138147
BaseRepresentation
bin1000001100111110…
…0010101110011010
312200110020120211000
42003033202232122
514002140432230
61002254045430
7105364516320
oct20317425632
95613216730
102201889690
11a2aa00350
125154a9876
13291243810
1416c60dd10
15cd491b60
hex833e2b9a

2201889690 has 256 divisors, whose sum is σ = 7884656640. Its totient is φ = 422288640.

The previous prime is 2201889673. The next prime is 2201889709. The reversal of 2201889690 is 969881022.

2201889690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×22018896902 = 9696636413856592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 266197 + ... + 274343.

It is an arithmetic number, because the mean of its divisors is an integer number (30799440).

Almost surely, 22201889690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201889690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3942328320).

2201889690 is an abundant number, since it is smaller than the sum of its proper divisors (5682766950).

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

2201889690 is a wasteful number, since it uses less digits than its factorization.

2201889690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194 (or 8188 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2201889690 is about 46924.2974374684. The cubic root of 2201889690 is about 1300.9637212911.

The spelling of 2201889690 in words is "two billion, two hundred one million, eight hundred eighty-nine thousand, six hundred ninety".