Base | Representation |
---|---|
bin | 11001101111000010… |
… | …10101001001001111 |
3 | 1022122212222010200201 |
4 | 30313201111021033 |
5 | 211243443324002 |
6 | 10202553034331 |
7 | 666245226055 |
oct | 146741251117 |
9 | 38585863621 |
10 | 13816386127 |
11 | 594aa98435 |
12 | 28170b59a7 |
13 | 13c257110b |
14 | 950d5c1d5 |
15 | 55ce64087 |
hex | 33785524f |
13816386127 has 4 divisors (see below), whose sum is σ = 13816657336. Its totient is φ = 13816114920.
The previous prime is 13816386121. The next prime is 13816386131. The reversal of 13816386127 is 72168361831.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13816386127 - 23 = 13816386119 is a prime.
It is a super-2 number, since 2×138163861272 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13816386121) 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, 33624 + ... + 169597.
It is an arithmetic number, because the mean of its divisors is an integer number (3454164334).
Almost surely, 213816386127 is an apocalyptic number.
13816386127 is a deficient number, since it is larger than the sum of its proper divisors (271209).
13816386127 is an equidigital number, since it uses as much as digits as its factorization.
13816386127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271208.
The product of its digits is 290304, while the sum is 46.
The spelling of 13816386127 in words is "thirteen billion, eight hundred sixteen million, three hundred eighty-six thousand, one hundred twenty-seven".
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