Search a number
-
+
111122023110 = 23572611498317
BaseRepresentation
bin110011101111101100…
…0111000001011000110
3101121211021200122201120
41213133120320023012
53310034214214420
6123014310334410
711012464416600
oct1473730701306
9347737618646
10111122023110
114314353773a
121965265a406
13a62babbac7
145542216170
152d5587dd40
hex19df6382c6

111122023110 has 192 divisors, whose sum is σ = 317474769600. Its totient is φ = 24812282880.

The previous prime is 111122023093. The next prime is 111122023157. The reversal of 111122023110 is 11320221111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111122023110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13356672 + ... + 13364988.

It is an arithmetic number, because the mean of its divisors is an integer number (1653514425).

Almost surely, 2111122023110 is an apocalyptic number.

111122023110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111122023110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158737384800).

111122023110 is an abundant number, since it is smaller than the sum of its proper divisors (206352746490).

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

111122023110 is a wasteful number, since it uses less digits than its factorization.

111122023110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111122023110 its reverse (11320221111), we get a palindrome (122442244221).

The spelling of 111122023110 in words is "one hundred eleven billion, one hundred twenty-two million, twenty-three thousand, one hundred ten".