Base | Representation |
---|---|
bin | 1010000010010101001… |
… | …0111110101101001111 |
3 | 121111001112222021222211 |
4 | 2200211102332231033 |
5 | 10311111123034041 |
6 | 211113301451251 |
7 | 15312560265331 |
oct | 2404522765517 |
9 | 544045867884 |
10 | 172424424271 |
11 | 67141101aa0 |
12 | 29500710b27 |
13 | 1334b314b68 |
14 | 84b9a53451 |
15 | 47425e8481 |
hex | 28254beb4f |
172424424271 has 32 divisors (see below), whose sum is σ = 193933440000. Its totient is φ = 151965864960.
The previous prime is 172424424259. The next prime is 172424424299.
172424424271 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 172424424271 - 25 = 172424424239 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 (172424424251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66087015 + ... + 66089623.
It is an arithmetic number, because the mean of its divisors is an integer number (6060420000).
Almost surely, 2172424424271 is an apocalyptic number.
172424424271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
172424424271 is a deficient number, since it is larger than the sum of its proper divisors (21509015729).
172424424271 is a wasteful number, since it uses less digits than its factorization.
172424424271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4047.
The product of its digits is 200704, while the sum is 40.
It can be divided in two parts, 172424 and 424271, that added together give a palindrome (596695).
The spelling of 172424424271 in words is "one hundred seventy-two billion, four hundred twenty-four million, four hundred twenty-four thousand, two hundred seventy-one".
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