Base | Representation |
---|---|
bin | 110001111110… |
… | …101101011111 |
3 | 220122122110021 |
4 | 301332231133 |
5 | 11323230134 |
6 | 1144453011 |
7 | 216236005 |
oct | 61765537 |
9 | 26578407 |
10 | 13101919 |
11 | 7439736 |
12 | 447a167 |
13 | 293971c |
14 | 1a50a75 |
15 | 123c0b4 |
hex | c7eb5f |
13101919 has 8 divisors (see below), whose sum is σ = 13491072. Its totient is φ = 12716160.
The previous prime is 13101911. The next prime is 13101923. The reversal of 13101919 is 91910131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13101919 - 23 = 13101911 is a prime.
It is a super-2 number, since 2×131019192 = 343320562965122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13101893 and 13101902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13101911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8427 + ... + 9859.
It is an arithmetic number, because the mean of its divisors is an integer number (1686384).
Almost surely, 213101919 is an apocalyptic number.
13101919 is a deficient number, since it is larger than the sum of its proper divisors (389153).
13101919 is a wasteful number, since it uses less digits than its factorization.
13101919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1697.
The product of its (nonzero) digits is 243, while the sum is 25.
The square root of 13101919 is about 3619.6573042209. The cubic root of 13101919 is about 235.7463460174.
The spelling of 13101919 in words is "thirteen million, one hundred one thousand, nine hundred nineteen".
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