Base | Representation |
---|---|
bin | 110010110001… |
… | …110110010001 |
3 | 221001021202222 |
4 | 302301312101 |
5 | 11401431002 |
6 | 1153150425 |
7 | 221100452 |
oct | 62616621 |
9 | 27037688 |
10 | 13311377 |
11 | 7572042 |
12 | 455b415 |
13 | 29b0b71 |
14 | 1aa7129 |
15 | 127e1a2 |
hex | cb1d91 |
13311377 has 4 divisors (see below), whose sum is σ = 13770420. Its totient is φ = 12852336.
The previous prime is 13311371. The next prime is 13311383. The reversal of 13311377 is 77311331.
13311377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77311331 = 5651 ⋅13681.
It is an interprime number because it is at equal distance from previous prime (13311371) and next prime (13311383).
It can be written as a sum of positive squares in 2 ways, for example, as 10297681 + 3013696 = 3209^2 + 1736^2 .
It is not a de Polignac number, because 13311377 - 26 = 13311313 is a prime.
It is a super-2 number, since 2×133113772 = 354385515272258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13311371) 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, 229478 + ... + 229535.
It is an arithmetic number, because the mean of its divisors is an integer number (3442605).
Almost surely, 213311377 is an apocalyptic number.
It is an amenable number.
13311377 is a deficient number, since it is larger than the sum of its proper divisors (459043).
13311377 is an equidigital number, since it uses as much as digits as its factorization.
13311377 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459042.
The product of its digits is 1323, while the sum is 26.
The square root of 13311377 is about 3648.4759832018. The cubic root of 13311377 is about 236.9959882293.
The spelling of 13311377 in words is "thirteen million, three hundred eleven thousand, three hundred seventy-seven".
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