Base | Representation |
---|---|
bin | 110000000100001101… |
… | …0101100100100000111 |
3 | 100212102121110012020001 |
4 | 1200020122230210013 |
5 | 3142343412243421 |
6 | 115230244022131 |
7 | 10312620121330 |
oct | 1401032544407 |
9 | 325377405201 |
10 | 103220431111 |
11 | 3a859273716 |
12 | 18008391947 |
13 | 996ca82995 |
14 | 4dd2a47287 |
15 | 2a41d21691 |
hex | 18086ac907 |
103220431111 has 16 divisors (see below), whose sum is σ = 124694553600. Its totient is φ = 83467365408.
The previous prime is 103220431099. The next prime is 103220431129. The reversal of 103220431111 is 111134022301.
It is not a de Polignac number, because 103220431111 - 213 = 103220422919 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103220431211) 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, 1591840 + ... + 1655413.
It is an arithmetic number, because the mean of its divisors is an integer number (7793409600).
Almost surely, 2103220431111 is an apocalyptic number.
103220431111 is a deficient number, since it is larger than the sum of its proper divisors (21474122489).
103220431111 is a wasteful number, since it uses less digits than its factorization.
103220431111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3247518.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 103220431111 its reverse (111134022301), we get a palindrome (214354453412).
The spelling of 103220431111 in words is "one hundred three billion, two hundred twenty million, four hundred thirty-one thousand, one hundred eleven".
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