Base | Representation |
---|---|
bin | 11001110101010110… |
… | …11010100111010011 |
3 | 1022210120122120101222 |
4 | 30322223122213103 |
5 | 211401024032434 |
6 | 10212124315255 |
7 | 1000460425421 |
oct | 147253324723 |
9 | 38716576358 |
10 | 13869361619 |
11 | 5977990733 |
12 | 28309a2b2b |
13 | 140052b969 |
14 | 957dcc111 |
15 | 56292a72e |
hex | 33aada9d3 |
13869361619 has 8 divisors (see below), whose sum is σ = 14600488080. Its totient is φ = 13138351200.
The previous prime is 13869361613. The next prime is 13869361643. The reversal of 13869361619 is 91616396831.
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-13869361619 is a prime.
It is a super-2 number, since 2×138693616192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13869361613) 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, 330989 + ... + 370529.
It is an arithmetic number, because the mean of its divisors is an integer number (1825061010).
Almost surely, 213869361619 is an apocalyptic number.
13869361619 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
13869361619 is a deficient number, since it is larger than the sum of its proper divisors (731126461).
13869361619 is a wasteful number, since it uses less digits than its factorization.
13869361619 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58021.
The product of its digits is 1259712, while the sum is 53.
The spelling of 13869361619 in words is "thirteen billion, eight hundred sixty-nine million, three hundred sixty-one thousand, six hundred nineteen".
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