Base | Representation |
---|---|
bin | 1011101111010010… |
… | …0001111110011010 |
3 | 22010121100222100100 |
4 | 2323310201332122 |
5 | 22423141010132 |
6 | 1240403120230 |
7 | 141041664513 |
oct | 27364417632 |
9 | 8117328310 |
10 | 3151110042 |
11 | 13777a0683 |
12 | 73b373076 |
13 | 3b2ab1772 |
14 | 21c6dda0a |
15 | 13699237c |
hex | bbd21f9a |
3151110042 has 24 divisors (see below), whose sum is σ = 6831845280. Its totient is φ = 1049686920.
The previous prime is 3151110029. The next prime is 3151110049. The reversal of 3151110042 is 2400111513.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 3151109997 and 3151110024.
It is not an unprimeable number, because it can be changed into a prime (3151110049) 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 11 ways as a sum of consecutive naturals, for example, 28084 + ... + 84207.
It is an arithmetic number, because the mean of its divisors is an integer number (284660220).
Almost surely, 23151110042 is an apocalyptic number.
3151110042 is an abundant number, since it is smaller than the sum of its proper divisors (3680735238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3151110042 is a wasteful number, since it uses less digits than its factorization.
3151110042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113858 (or 113855 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 3151110042 is about 56134.7489706688. The cubic root of 3151110042 is about 1466.0693799224.
Adding to 3151110042 its reverse (2400111513), we get a palindrome (5551221555).
The spelling of 3151110042 in words is "three billion, one hundred fifty-one million, one hundred ten thousand, forty-two".
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