Base | Representation |
---|---|
bin | 11000011101010101… |
… | …11001110111111011 |
3 | 1020220010100102211212 |
4 | 30032222321313323 |
5 | 203343020430021 |
6 | 10010551313335 |
7 | 643253625221 |
oct | 141652716773 |
9 | 36803312755 |
10 | 13131030011 |
11 | 5629140220 |
12 | 266567b84b |
13 | 131358b258 |
14 | 8c7d16b11 |
15 | 51cbd585b |
hex | 30eab9dfb |
13131030011 has 8 divisors (see below), whose sum is σ = 14711916144. Its totient is φ = 11614669920.
The previous prime is 13131030001. The next prime is 13131030043. The reversal of 13131030011 is 11003013131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13131030011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131030001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16131080 + ... + 16131893.
It is an arithmetic number, because the mean of its divisors is an integer number (1838989518).
Almost surely, 213131030011 is an apocalyptic number.
13131030011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13131030011 is a deficient number, since it is larger than the sum of its proper divisors (1580886133).
13131030011 is a wasteful number, since it uses less digits than its factorization.
13131030011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32263021.
The product of its (nonzero) digits is 27, while the sum is 14.
Adding to 13131030011 its reverse (11003013131), we get a palindrome (24134043142).
The spelling of 13131030011 in words is "thirteen billion, one hundred thirty-one million, thirty thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •