Base | Representation |
---|---|
bin | 110000001010011111… |
… | …0000000001010011111 |
3 | 100212222021200212022010 |
4 | 1200110332000022133 |
5 | 3143311314404043 |
6 | 115303205322303 |
7 | 10321055050632 |
oct | 1402476001237 |
9 | 325867625263 |
10 | 103431013023 |
11 | 3a957123a58 |
12 | 18066a06393 |
13 | 99a45a3670 |
14 | 50129c1c19 |
15 | 2a5556b133 |
hex | 1814f8029f |
103431013023 has 16 divisors (see below), whose sum is σ = 148616152160. Its totient is φ = 63607071744.
The previous prime is 103431012947. The next prime is 103431013027. The reversal of 103431013023 is 320310134301.
It is not a de Polignac number, because 103431013023 - 229 = 102894142111 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103431013027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832486 + ... + 948627.
It is an arithmetic number, because the mean of its divisors is an integer number (9288509510).
Almost surely, 2103431013023 is an apocalyptic number.
103431013023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
103431013023 is a deficient number, since it is larger than the sum of its proper divisors (45185139137).
103431013023 is a wasteful number, since it uses less digits than its factorization.
103431013023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782618.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 103431013023 its reverse (320310134301), we get a palindrome (423741147324).
The spelling of 103431013023 in words is "one hundred three billion, four hundred thirty-one million, thirteen thousand, twenty-three".
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