Base | Representation |
---|---|
bin | 11001001100111100… |
… | …11000010111001101 |
3 | 1021220221211112202112 |
4 | 30212132120113031 |
5 | 210202240301310 |
6 | 10114335233405 |
7 | 656203334630 |
oct | 144636302715 |
9 | 37827745675 |
10 | 13530400205 |
11 | 5813615a33 |
12 | 2757378865 |
13 | 137823bc8a |
14 | 924d95c17 |
15 | 542cc2705 |
hex | 3267985cd |
13530400205 has 8 divisors (see below), whose sum is σ = 18555977472. Its totient is φ = 9277988688.
The previous prime is 13530400199. The next prime is 13530400223. The reversal of 13530400205 is 50200403531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13530400205 - 24 = 13530400189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193291397 + ... + 193291466.
It is an arithmetic number, because the mean of its divisors is an integer number (2319497184).
Almost surely, 213530400205 is an apocalyptic number.
It is an amenable number.
13530400205 is a deficient number, since it is larger than the sum of its proper divisors (5025577267).
13530400205 is an equidigital number, since it uses as much as digits as its factorization.
13530400205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386582875.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 13530400205 its reverse (50200403531), we get a palindrome (63730803736).
The spelling of 13530400205 in words is "thirteen billion, five hundred thirty million, four hundred thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •