Base | Representation |
---|---|
bin | 110001111110… |
… | …001101001101 |
3 | 220122112121202 |
4 | 301332031031 |
5 | 11323143403 |
6 | 1144435245 |
7 | 216226664 |
oct | 61761515 |
9 | 26575552 |
10 | 13099853 |
11 | 7438128 |
12 | 4478b25 |
13 | 29387c0 |
14 | 1a4dddb |
15 | 123b688 |
hex | c7e34d |
13099853 has 4 divisors (see below), whose sum is σ = 14107548. Its totient is φ = 12092160.
The previous prime is 13099841. The next prime is 13099871. The reversal of 13099853 is 35899031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35899031 = 7 ⋅5128433.
It can be written as a sum of positive squares in 2 ways, for example, as 7038409 + 6061444 = 2653^2 + 2462^2 .
It is a cyclic number.
It is not a de Polignac number, because 13099853 - 24 = 13099837 is a prime.
It is a super-2 number, since 2×130998532 = 343212297243218, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13099883) 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, 503828 + ... + 503853.
It is an arithmetic number, because the mean of its divisors is an integer number (3526887).
Almost surely, 213099853 is an apocalyptic number.
13099853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13099853 is a deficient number, since it is larger than the sum of its proper divisors (1007695).
13099853 is a wasteful number, since it uses less digits than its factorization.
13099853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1007694.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 13099853 is about 3619.3719068369. The cubic root of 13099853 is about 235.7339540018.
The spelling of 13099853 in words is "thirteen million, ninety-nine thousand, eight hundred fifty-three".
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