Base | Representation |
---|---|
bin | 110001000110110000… |
… | …0110011101110010111 |
3 | 101002012020011220211202 |
4 | 1202031200303232113 |
5 | 3211432032344111 |
6 | 120240012223115 |
7 | 10422143064464 |
oct | 1421540635627 |
9 | 332166156752 |
10 | 105453403031 |
11 | 407a4773559 |
12 | 1853016aa9b |
13 | 9c37589c42 |
14 | 516542866b |
15 | 2b22da2b3b |
hex | 188d833b97 |
105453403031 has 4 divisors (see below), whose sum is σ = 105480233064. Its totient is φ = 105426573000.
The previous prime is 105453403009. The next prime is 105453403043. The reversal of 105453403031 is 130304354501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130304354501 = 1153 ⋅113013317.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-105453403031 is a prime.
It is a super-2 number, since 2×1054534030312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105453402985 and 105453403003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105453403631) 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, 13409120 + ... + 13416981.
It is an arithmetic number, because the mean of its divisors is an integer number (26370058266).
Almost surely, 2105453403031 is an apocalyptic number.
105453403031 is a deficient number, since it is larger than the sum of its proper divisors (26830033).
105453403031 is an equidigital number, since it uses as much as digits as its factorization.
105453403031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26830032.
The product of its (nonzero) digits is 10800, while the sum is 29.
Adding to 105453403031 its reverse (130304354501), we get a palindrome (235757757532).
The spelling of 105453403031 in words is "one hundred five billion, four hundred fifty-three million, four hundred three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.100 sec. • engine limits •