Base | Representation |
---|---|
bin | 110000000100011111… |
… | …1101100101101000101 |
3 | 100212110021200222222200 |
4 | 1200020333230231011 |
5 | 3142403403143023 |
6 | 115231231545113 |
7 | 10313065431042 |
oct | 1401077545505 |
9 | 325407628880 |
10 | 103230131013 |
11 | 3a863799369 |
12 | 1800b68b199 |
13 | 9971a9aa79 |
14 | 4dd40501c9 |
15 | 2a42ada743 |
hex | 1808fecb45 |
103230131013 has 12 divisors (see below), whose sum is σ = 151923589740. Its totient is φ = 67521594816.
The previous prime is 103230130967. The next prime is 103230131027. The reversal of 103230131013 is 310131032301.
It is a happy number.
103230131013 is a `hidden beast` number, since 10 + 32 + 301 + 310 + 13 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 32805178884 + 70424952129 = 181122^2 + 265377^2 .
It is not a de Polignac number, because 103230131013 - 212 = 103230126917 is a prime.
It is a super-2 number, since 2×1032301310132 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103230131063) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108207208 + ... + 108208161.
It is an arithmetic number, because the mean of its divisors is an integer number (12660299145).
Almost surely, 2103230131013 is an apocalyptic number.
It is an amenable number.
103230131013 is a deficient number, since it is larger than the sum of its proper divisors (48693458727).
103230131013 is a wasteful number, since it uses less digits than its factorization.
103230131013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216415428 (or 216415425 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 103230131013 its reverse (310131032301), we get a palindrome (413361163314).
The spelling of 103230131013 in words is "one hundred three billion, two hundred thirty million, one hundred thirty-one thousand, thirteen".
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