Search a number
-
+
2012021122210 = 2511101181100011
BaseRepresentation
bin11101010001110101110…
…011011110010010100010
321010100101012201010112121
4131101311303132102202
5230431104401402320
64140150523214454
7265235521233421
oct35216563362242
97110335633477
102012021122210
11706325519930
12285b3997742a
1311796abb3038
146d54d2092b8
153750d5218aa
hex1d475cde4a2

2012021122210 has 32 divisors (see below), whose sum is σ = 3989995464384. Its totient is φ = 724400040000.

The previous prime is 2012021122171. The next prime is 2012021122217. The reversal of 2012021122210 is 122211202102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012021122217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90538896 + ... + 90561115.

It is an arithmetic number, because the mean of its divisors is an integer number (124687358262).

Almost surely, 22012021122210 is an apocalyptic number.

2012021122210 is a deficient number, since it is larger than the sum of its proper divisors (1977974342174).

2012021122210 is a wasteful number, since it uses less digits than its factorization.

2012021122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181100130.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012021122210 its reverse (122211202102), we get a palindrome (2134232324312).

The spelling of 2012021122210 in words is "two trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 101 110 202 505 1010 1111 2222 5555 11110 181100011 362200022 905500055 1811000110 1992100121 3984200242 9960500605 18291101111 19921001210 36582202222 91455505555 182911011110 201202112221 402404224442 1006010561105 2012021122210