Base | Representation |
---|---|
bin | 1011100111111000… |
… | …0001000000101111 |
3 | 22001102220120001021 |
4 | 2321332001000233 |
5 | 22342212321111 |
6 | 1233333155011 |
7 | 140213630311 |
oct | 27176010057 |
9 | 8042816037 |
10 | 3120042031 |
11 | 1361200837 |
12 | 730a8ba67 |
13 | 3a9524622 |
14 | 2185337b1 |
15 | 133da6d71 |
hex | b9f8102f |
3120042031 has 8 divisors (see below), whose sum is σ = 3260530944. Its totient is φ = 2982640920.
The previous prime is 3120041993. The next prime is 3120042061. The reversal of 3120042031 is 1302400213.
It is a happy number.
3120042031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3120042031 - 219 = 3119517743 is a prime.
It is a super-2 number, since 2×31200420312 = 19469324550413209922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3120041996 and 3120042014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3120042061) 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, 769885 + ... + 773926.
It is an arithmetic number, because the mean of its divisors is an integer number (407566368).
Almost surely, 23120042031 is an apocalyptic number.
3120042031 is a deficient number, since it is larger than the sum of its proper divisors (140488913).
3120042031 is a wasteful number, since it uses less digits than its factorization.
3120042031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543901.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 3120042031 is about 55857.3364116120. The cubic root of 3120042031 is about 1461.2352764182.
Adding to 3120042031 its reverse (1302400213), we get a palindrome (4422442244).
The spelling of 3120042031 in words is "three billion, one hundred twenty million, forty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •