Search a number
-
+
102222212210 = 2510222221221
BaseRepresentation
bin101111100110011101…
…0110010110001110010
3100202212001010102022122
41133030322302301302
53133322341242320
6114543224434242
710246106316206
oct1371472626162
9322761112278
10102222212210
113a396857018
121798a018982
13984101a401
144d3a240b06
1529d4392d25
hex17cceb2c72

102222212210 has 8 divisors (see below), whose sum is σ = 183999981996. Its totient is φ = 40888884880.

The previous prime is 102222212203. The next prime is 102222212251. The reversal of 102222212210 is 12212222201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92008482241 + 10213729969 = 303329^2 + 101063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111110601 + ... + 5111110620.

Almost surely, 2102222212210 is an apocalyptic number.

102222212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102222212210 is a deficient number, since it is larger than the sum of its proper divisors (81777769786).

102222212210 is a wasteful number, since it uses less digits than its factorization.

102222212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222221228.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102222212210 its reverse (12212222201), we get a palindrome (114434434411).

Subtracting from 102222212210 its reverse (12212222201), we obtain a palindrome (90009990009).

It can be divided in two parts, 102222 and 212210, that added together give a cube (314432 = 683).

The spelling of 102222212210 in words is "one hundred two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 10222221221 20444442442 51111106105 102222212210