Base | Representation |
---|---|
bin | 11000011101110111… |
… | …11110100000001001 |
3 | 1020220102202210221122 |
4 | 30032323332200021 |
5 | 203400142133132 |
6 | 10011231245025 |
7 | 643336645106 |
oct | 141673764011 |
9 | 36812683848 |
10 | 13135505417 |
11 | 5630717701 |
12 | 2667079775 |
13 | 1314497318 |
14 | 8c875daad |
15 | 51d2bb912 |
hex | 30eefe809 |
13135505417 has 4 divisors (see below), whose sum is σ = 13135750656. Its totient is φ = 13135260180.
The previous prime is 13135505389. The next prime is 13135505419. The reversal of 13135505417 is 71450553131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13135505417 - 214 = 13135489033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13135505419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073 + ... + 162134.
It is an arithmetic number, because the mean of its divisors is an integer number (3283937664).
Almost surely, 213135505417 is an apocalyptic number.
It is an amenable number.
13135505417 is a deficient number, since it is larger than the sum of its proper divisors (245239).
13135505417 is an equidigital number, since it uses as much as digits as its factorization.
13135505417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245238.
The product of its (nonzero) digits is 31500, while the sum is 35.
The spelling of 13135505417 in words is "thirteen billion, one hundred thirty-five million, five hundred five thousand, four hundred seventeen".
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