Base | Representation |
---|---|
bin | 11000101110010010… |
… | …11010011000101111 |
3 | 1021021000221201110020 |
4 | 30113021122120233 |
5 | 204140422321411 |
6 | 10033031413223 |
7 | 646631502651 |
oct | 142711323057 |
9 | 37230851406 |
10 | 13273245231 |
11 | 56a1445664 |
12 | 26a5224213 |
13 | 1336b9297c |
14 | 8dcb766d1 |
15 | 52a428606 |
hex | 31725a62f |
13273245231 has 16 divisors (see below), whose sum is σ = 18657251328. Its totient is φ = 8381181600.
The previous prime is 13273245187. The next prime is 13273245233. The reversal of 13273245231 is 13254237231.
It is not a de Polignac number, because 13273245231 - 211 = 13273243183 is a prime.
It is a super-2 number, since 2×132732452312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13273245192 and 13273245201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13273245233) 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, 1513960 + ... + 1522701.
It is an arithmetic number, because the mean of its divisors is an integer number (1166078208).
Almost surely, 213273245231 is an apocalyptic number.
13273245231 is a deficient number, since it is larger than the sum of its proper divisors (5384006097).
13273245231 is a wasteful number, since it uses less digits than its factorization.
13273245231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3036742.
The product of its digits is 30240, while the sum is 33.
The spelling of 13273245231 in words is "thirteen billion, two hundred seventy-three million, two hundred forty-five thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •