Search a number
-
+
162422235218 = 281211117609
BaseRepresentation
bin1001011101000100011…
…1101010000001010010
3120112020111002110001102
42113101013222001102
510130120043011333
6202341000104402
714506655135315
oct2272107520122
9515214073042
10162422235218
1162979132351
122758aa65102
131241603c1b9
147c0b4c097c
154359456ae8
hex25d11ea052

162422235218 has 4 divisors (see below), whose sum is σ = 243633352830. Its totient is φ = 81211117608.

The previous prime is 162422235161. The next prime is 162422235251. The reversal of 162422235218 is 812532224261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812532224261 = 4191939217719.

It can be written as a sum of positive squares in only one way, i.e., 107306690929 + 55115544289 = 327577^2 + 234767^2 .

It is a super-2 number, since 2×1624222352182 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40605558803 + ... + 40605558806.

Almost surely, 2162422235218 is an apocalyptic number.

162422235218 is a deficient number, since it is larger than the sum of its proper divisors (81211117612).

162422235218 is an equidigital number, since it uses as much as digits as its factorization.

162422235218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81211117611.

The product of its digits is 92160, while the sum is 38.

Adding to 162422235218 its reverse (812532224261), we get a palindrome (974954459479).

The spelling of 162422235218 in words is "one hundred sixty-two billion, four hundred twenty-two million, two hundred thirty-five thousand, two hundred eighteen".

Divisors: 1 2 81211117609 162422235218