Base | Representation |
---|---|
bin | 111101001111011111… |
… | …0100010101011111101 |
3 | 110120110120221220020101 |
4 | 1322132332202223331 |
5 | 4123321122322023 |
6 | 140230120521101 |
7 | 12334044242242 |
oct | 1723676425375 |
9 | 416416856211 |
10 | 131516214013 |
11 | 50859524168 |
12 | 215a4620191 |
13 | c52c052ba2 |
14 | 65189cd5c9 |
15 | 364b0121ad |
hex | 1e9efa2afd |
131516214013 has 8 divisors (see below), whose sum is σ = 132688328256. Its totient is φ = 130344244800.
The previous prime is 131516213999. The next prime is 131516214031. The reversal of 131516214013 is 310412615131.
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-131516214013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131516214413) 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, 2698128 + ... + 2746438.
It is an arithmetic number, because the mean of its divisors is an integer number (16586041032).
Almost surely, 2131516214013 is an apocalyptic number.
It is an amenable number.
131516214013 is a deficient number, since it is larger than the sum of its proper divisors (1172114243).
131516214013 is a wasteful number, since it uses less digits than its factorization.
131516214013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72515.
The product of its (nonzero) digits is 2160, while the sum is 28.
Adding to 131516214013 its reverse (310412615131), we get a palindrome (441928829144).
The spelling of 131516214013 in words is "one hundred thirty-one billion, five hundred sixteen million, two hundred fourteen thousand, thirteen".
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