Base | Representation |
---|---|
bin | 11001110111110101… |
… | …01001010111000011 |
3 | 1022212000201210011221 |
4 | 30323322221113003 |
5 | 211421333201040 |
6 | 10214145415511 |
7 | 1001132111620 |
oct | 147372512703 |
9 | 38760653157 |
10 | 13890131395 |
11 | 5988687338 |
12 | 283793a597 |
13 | 140492157a |
14 | 95aa77347 |
15 | 56467e74a |
hex | 33bea95c3 |
13890131395 has 8 divisors (see below), whose sum is σ = 19049323104. Its totient is φ = 9524661504.
The previous prime is 13890131389. The next prime is 13890131399. The reversal of 13890131395 is 59313109831.
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 13890131395 - 29 = 13890130883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13890131399) 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, 198430414 + ... + 198430483.
It is an arithmetic number, because the mean of its divisors is an integer number (2381165388).
Almost surely, 213890131395 is an apocalyptic number.
13890131395 is a deficient number, since it is larger than the sum of its proper divisors (5159191709).
13890131395 is an equidigital number, since it uses as much as digits as its factorization.
13890131395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396860909.
The product of its (nonzero) digits is 87480, while the sum is 43.
The spelling of 13890131395 in words is "thirteen billion, eight hundred ninety million, one hundred thirty-one thousand, three hundred ninety-five".
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