Base | Representation |
---|---|
bin | 11000011001110011… |
… | …11101001100001000 |
3 | 1020211001122011100200 |
4 | 30030321331030020 |
5 | 203312430440240 |
6 | 10004012532200 |
7 | 642444146421 |
oct | 141471751410 |
9 | 36731564320 |
10 | 13101421320 |
11 | 5613457829 |
12 | 2657781060 |
13 | 130a3c2410 |
14 | 8c400a648 |
15 | 51a2d7930 |
hex | 30ce7d308 |
13101421320 has 96 divisors (see below), whose sum is σ = 45854991000. Its totient is φ = 3224964096.
The previous prime is 13101421273. The next prime is 13101421327. The reversal of 13101421320 is 2312410131.
13101421320 is a `hidden beast` number, since 1 + 310 + 14 + 21 + 320 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3828886884 + 9272534436 = 61878^2 + 96294^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13101421293 and 13101421302.
It is not an unprimeable number, because it can be changed into a prime (13101421327) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395045 + ... + 1404404.
Almost surely, 213101421320 is an apocalyptic number.
13101421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13101421320 is an abundant number, since it is smaller than the sum of its proper divisors (32753569680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13101421320 is a wasteful number, since it uses less digits than its factorization.
13101421320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2799479 (or 2799472 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13101421320 its reverse (2312410131), we get a palindrome (15413831451).
The spelling of 13101421320 in words is "thirteen billion, one hundred one million, four hundred twenty-one thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •