Base | Representation |
---|---|
bin | 110000001010011111… |
… | …0011000000110000001 |
3 | 100212222021212211202102 |
4 | 1200110332120012001 |
5 | 3143311331023131 |
6 | 115303211400145 |
7 | 10321055636456 |
oct | 1402476300601 |
9 | 325867784672 |
10 | 103431111041 |
11 | 3a957190665 |
12 | 18066a53055 |
13 | 99a460916b |
14 | 5012a0982d |
15 | 2a5558a1cb |
hex | 1814f98181 |
103431111041 has 4 divisors (see below), whose sum is σ = 105382641492. Its totient is φ = 101479580592.
The previous prime is 103431111037. The next prime is 103431111079. The reversal of 103431111041 is 140111134301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140111134301 = 61 ⋅2296903841.
It can be written as a sum of positive squares in 2 ways, for example, as 29186305600 + 74244805441 = 170840^2 + 272479^2 .
It is a cyclic number.
It is not a de Polignac number, because 103431111041 - 22 = 103431111037 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103431111011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975765146 + ... + 975765251.
It is an arithmetic number, because the mean of its divisors is an integer number (26345660373).
Almost surely, 2103431111041 is an apocalyptic number.
It is an amenable number.
103431111041 is a deficient number, since it is larger than the sum of its proper divisors (1951530451).
103431111041 is an equidigital number, since it uses as much as digits as its factorization.
103431111041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1951530450.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 103431111041 its reverse (140111134301), we get a palindrome (243542245342).
The spelling of 103431111041 in words is "one hundred three billion, four hundred thirty-one million, one hundred eleven thousand, forty-one".
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