Base | Representation |
---|---|
bin | 111101111111100111… |
… | …1100110110010101101 |
3 | 110201122011000202201101 |
4 | 1323333033212302231 |
5 | 4140123103100023 |
6 | 141054253443101 |
7 | 12422055243625 |
oct | 1737717466255 |
9 | 421564022641 |
10 | 133131300013 |
11 | 5150816a188 |
12 | 219754a0491 |
13 | c72883b48a |
14 | 662d2cd885 |
15 | 36e2be11ad |
hex | 1eff3e6cad |
133131300013 has 24 divisors (see below), whose sum is σ = 144279753120. Its totient is φ = 122460249600.
The previous prime is 133131299981. The next prime is 133131300017. The reversal of 133131300013 is 310003131331.
It is a happy number.
It is not a de Polignac number, because 133131300013 - 25 = 133131299981 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133131300017) 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, 9467838 + ... + 9481888.
It is an arithmetic number, because the mean of its divisors is an integer number (6011656380).
Almost surely, 2133131300013 is an apocalyptic number.
It is an amenable number.
133131300013 is a deficient number, since it is larger than the sum of its proper divisors (11148453107).
133131300013 is an equidigital number, since it uses as much as digits as its factorization.
133131300013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14317 (or 14220 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 19.
Adding to 133131300013 its reverse (310003131331), we get a palindrome (443134431344).
The spelling of 133131300013 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred thousand, thirteen".
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