Base | Representation |
---|---|
bin | 100000111111100… |
… | …0001111011101111 |
3 | 2212011002120011201 |
4 | 1001333001323233 |
5 | 4231400321111 |
6 | 301503430331 |
7 | 36301462534 |
oct | 10177017357 |
9 | 2764076151 |
10 | 1107042031 |
11 | 518995077 |
12 | 26a8b53a7 |
13 | 148478074 |
14 | a7052d8b |
15 | 672c76c1 |
hex | 41fc1eef |
1107042031 has 4 divisors (see below), whose sum is σ = 1107440064. Its totient is φ = 1106644000.
The previous prime is 1107042019. The next prime is 1107042037. The reversal of 1107042031 is 1302407011.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1107042031 is a prime.
It is a super-2 number, since 2×11070420312 = 2451084116801209922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1107042037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194815 + ... + 200416.
It is an arithmetic number, because the mean of its divisors is an integer number (276860016).
Almost surely, 21107042031 is an apocalyptic number.
1107042031 is a deficient number, since it is larger than the sum of its proper divisors (398033).
1107042031 is an equidigital number, since it uses as much as digits as its factorization.
1107042031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398032.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 1107042031 is about 33272.2411478397. The cubic root of 1107042031 is about 1034.4782642724.
Adding to 1107042031 its reverse (1302407011), we get a palindrome (2409449042).
The spelling of 1107042031 in words is "one billion, one hundred seven million, forty-two thousand, thirty-one".
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