Base | Representation |
---|---|
bin | 1101001111111… |
… | …10000010110000 |
3 | 21202010112211211 |
4 | 12213332002300 |
5 | 211423003130 |
6 | 15010045504 |
7 | 2516453233 |
oct | 647760260 |
9 | 252115754 |
10 | 111141040 |
11 | 578109aa |
12 | 31279894 |
13 | 1a04483a |
14 | 10a9141a |
15 | 9b55a2a |
hex | 69fe0b0 |
111141040 has 40 divisors (see below), whose sum is σ = 261956448. Its totient is φ = 43845120.
The previous prime is 111141031. The next prime is 111141047. The reversal of 111141040 is 40141111.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 111141040.
It is not an unprimeable number, because it can be changed into a prime (111141047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676 + ... + 15355.
Almost surely, 2111141040 is an apocalyptic number.
111141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
111141040 is an abundant number, since it is smaller than the sum of its proper divisors (150815408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111141040 is a wasteful number, since it uses less digits than its factorization.
111141040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19117 (or 19111 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 111141040 is about 10542.3450901590. The cubic root of 111141040 is about 480.7930178212.
Adding to 111141040 its reverse (40141111), we get a palindrome (151282151).
The spelling of 111141040 in words is "one hundred eleven million, one hundred forty-one thousand, forty".
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