Base | Representation |
---|---|
bin | 110001110111… |
… | …010100110101 |
3 | 220121002221220 |
4 | 301313110311 |
5 | 11321243134 |
6 | 1144100553 |
7 | 216051552 |
oct | 61672465 |
9 | 26532856 |
10 | 13071669 |
11 | 7418a36 |
12 | 4464759 |
13 | 2928a20 |
14 | 1a43a29 |
15 | 1233149 |
hex | c77535 |
13071669 has 8 divisors (see below), whose sum is σ = 18769632. Its totient is φ = 8044080.
The previous prime is 13071649. The next prime is 13071671. The reversal of 13071669 is 96617031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13071669 - 28 = 13071413 is a prime.
It is a super-2 number, since 2×130716692 = 341737060891122, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13071649) 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, 167547 + ... + 167624.
It is an arithmetic number, because the mean of its divisors is an integer number (2346204).
Almost surely, 213071669 is an apocalyptic number.
It is an amenable number.
13071669 is a deficient number, since it is larger than the sum of its proper divisors (5697963).
13071669 is a wasteful number, since it uses less digits than its factorization.
13071669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335187.
The product of its (nonzero) digits is 6804, while the sum is 33.
The square root of 13071669 is about 3615.4763171676. The cubic root of 13071669 is about 235.5647740828.
The spelling of 13071669 in words is "thirteen million, seventy-one thousand, six hundred sixty-nine".
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