Base | Representation |
---|---|
bin | 110000000100100001… |
… | …1000001001010000111 |
3 | 100212110100100012200200 |
4 | 1200021003001022013 |
5 | 3142404114014343 |
6 | 115231302341543 |
7 | 10313106014100 |
oct | 1401103011207 |
9 | 325410305620 |
10 | 103231001223 |
11 | 3a864233149 |
12 | 1800ba2a8b3 |
13 | 9972013b9c |
14 | 4dd41d93a7 |
15 | 2a42c0d4d3 |
hex | 18090c1287 |
103231001223 has 36 divisors (see below), whose sum is σ = 180997762608. Its totient is φ = 56424392640.
The previous prime is 103231001201. The next prime is 103231001243. The reversal of 103231001223 is 322100132301.
It is not a de Polignac number, because 103231001223 - 228 = 102962565767 is a prime.
It is a super-2 number, since 2×1032310012232 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103231001196 and 103231001205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103231001243) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5078638 + ... + 5098923.
It is an arithmetic number, because the mean of its divisors is an integer number (5027715628).
Almost surely, 2103231001223 is an apocalyptic number.
103231001223 is a deficient number, since it is larger than the sum of its proper divisors (77766761385).
103231001223 is a wasteful number, since it uses less digits than its factorization.
103231001223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10177604 (or 10177594 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 103231001223 its reverse (322100132301), we get a palindrome (425331133524).
The spelling of 103231001223 in words is "one hundred three billion, two hundred thirty-one million, one thousand, two hundred twenty-three".
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