Base | Representation |
---|---|
bin | 110011101111101000… |
… | …1100101000111001111 |
3 | 101121211011002110110210 |
4 | 1213133101211013033 |
5 | 3310033222010111 |
6 | 123014201333503 |
7 | 11012442231240 |
oct | 1473721450717 |
9 | 347734073423 |
10 | 111120110031 |
11 | 43142450387 |
12 | 19651a97293 |
13 | a62b59c0c8 |
14 | 5541c78cc7 |
15 | 2d556020a6 |
hex | 19df4651cf |
111120110031 has 16 divisors (see below), whose sum is σ = 169331456000. Its totient is φ = 63495115488.
The previous prime is 111120110011. The next prime is 111120110047. The reversal of 111120110031 is 130011021111.
It is not a de Polignac number, because 111120110031 - 210 = 111120109007 is a prime.
It is a super-2 number, since 2×1111201100312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 111120109989 and 111120110016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111120110011) 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, 755685 + ... + 890673.
It is an arithmetic number, because the mean of its divisors is an integer number (10583216000).
Almost surely, 2111120110031 is an apocalyptic number.
111120110031 is a deficient number, since it is larger than the sum of its proper divisors (58211345969).
111120110031 is a wasteful number, since it uses less digits than its factorization.
111120110031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174198.
The product of its (nonzero) digits is 6, while the sum is 12.
Adding to 111120110031 its reverse (130011021111), we get a palindrome (241131131142).
The spelling of 111120110031 in words is "one hundred eleven billion, one hundred twenty million, one hundred ten thousand, thirty-one".
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