Search a number
-
+
102222131422 = 251111065711
BaseRepresentation
bin101111100110011101…
…0011111000011011110
3100202212000222022111111
41133030322133003132
53133322331201142
6114543223012234
710246105531525
oct1371472370336
9322760868444
10102222131422
113a396801354
1217989b9a07a
139840cbc6c8
144d3a21d4bc
1529d4378e17
hex17cce9f0de

102222131422 has 4 divisors (see below), whose sum is σ = 153333197136. Its totient is φ = 51111065710.

The previous prime is 102222131321. The next prime is 102222131437. The reversal of 102222131422 is 224131222201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224131222201 = 445150355251.

It is a junction number, because it is equal to n+sod(n) for n = 102222131393 and 102222131402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555532854 + ... + 25555532857.

It is an arithmetic number, because the mean of its divisors is an integer number (38333299284).

Almost surely, 2102222131422 is an apocalyptic number.

102222131422 is a deficient number, since it is larger than the sum of its proper divisors (51111065714).

102222131422 is an equidigital number, since it uses as much as digits as its factorization.

102222131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51111065713.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 102222131422 its reverse (224131222201), we get a palindrome (326353353623).

The spelling of 102222131422 in words is "one hundred two billion, two hundred twenty-two million, one hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 51111065711 102222131422