Base | Representation |
---|---|
bin | 1011100110000011… |
… | …1100111001110111 |
3 | 22000220120110202002 |
4 | 2321200330321313 |
5 | 22333240014111 |
6 | 1232502005515 |
7 | 140062105424 |
oct | 27140747167 |
9 | 8026513662 |
10 | 3112423031 |
11 | 1357977543 |
12 | 72a41689b |
13 | 3a7a87743 |
14 | 21750cd4b |
15 | 13339e63b |
hex | b983ce77 |
3112423031 has 4 divisors (see below), whose sum is σ = 3112599000. Its totient is φ = 3112247064.
The previous prime is 3112423021. The next prime is 3112423063. The reversal of 3112423031 is 1303242113.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303242113 = 41 ⋅31786393.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3112423031 is a prime.
It is a super-2 number, since 2×31124230312 = 19374354247798453922, 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 = 3112422994 and 3112423012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3112423021) 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, 58061 + ... + 97958.
It is an arithmetic number, because the mean of its divisors is an integer number (778149750).
Almost surely, 23112423031 is an apocalyptic number.
3112423031 is a deficient number, since it is larger than the sum of its proper divisors (175969).
3112423031 is a wasteful number, since it uses less digits than its factorization.
3112423031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175968.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 3112423031 is about 55789.0941941165. The cubic root of 3112423031 is about 1460.0448836830.
Adding to 3112423031 its reverse (1303242113), we get a palindrome (4415665144).
The spelling of 3112423031 in words is "three billion, one hundred twelve million, four hundred twenty-three thousand, thirty-one".
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