Search a number
-
+
10000212222 = 23711213374091
BaseRepresentation
bin10010101000000111…
…10010000011111110
3221210221011102020110
421110003302003332
5130440023242342
64332151130450
7502546254450
oct112403620376
927727142213
1010000212222
11427194a500
121b31073a26
13c34a62c50
146ac1ba2d0
153d7e00c9c
hex2540f20fe

10000212222 has 192 divisors, whose sum is σ = 27795220992. Its totient is φ = 2332281600.

The previous prime is 10000212193. The next prime is 10000212227. The reversal of 10000212222 is 22221200001.

It is a junction number, because it is equal to n+sod(n) for n = 10000212198 and 10000212207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000212227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2442397 + ... + 2446487.

It is an arithmetic number, because the mean of its divisors is an integer number (144766776).

Almost surely, 210000212222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10000212222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13897610496).

10000212222 is an abundant number, since it is smaller than the sum of its proper divisors (17795008770).

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

10000212222 is a wasteful number, since it uses less digits than its factorization.

10000212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4164 counting only the distinct ones).

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

Adding to 10000212222 its reverse (22221200001), we get a palindrome (32221412223).

It can be divided in two parts, 10000 and 212222, that added together give a palindrome (222222).

The spelling of 10000212222 in words is "ten billion, two hundred twelve thousand, two hundred twenty-two".