Base | Representation |
---|---|
bin | 110010010101… |
… | …011110110101 |
3 | 220211101101201 |
4 | 302111132311 |
5 | 11334221224 |
6 | 1150452501 |
7 | 220104640 |
oct | 62253665 |
9 | 26741351 |
10 | 13195189 |
11 | 74a2817 |
12 | 4504131 |
13 | 2970007 |
14 | 1a76a57 |
15 | 1259a44 |
hex | c957b5 |
13195189 has 8 divisors (see below), whose sum is σ = 15102720. Its totient is φ = 11293296.
The previous prime is 13195187. The next prime is 13195207. The reversal of 13195189 is 98159131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13195189 - 21 = 13195187 is a prime.
It is a super-2 number, since 2×131951892 = 348226025491442, which 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 (13195187) 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, 6867 + ... + 8575.
It is an arithmetic number, because the mean of its divisors is an integer number (1887840).
Almost surely, 213195189 is an apocalyptic number.
It is an amenable number.
13195189 is a deficient number, since it is larger than the sum of its proper divisors (1907531).
13195189 is a wasteful number, since it uses less digits than its factorization.
13195189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2819.
The product of its digits is 9720, while the sum is 37.
The square root of 13195189 is about 3632.5182724936. The cubic root of 13195189 is about 236.3044345140.
The spelling of 13195189 in words is "thirteen million, one hundred ninety-five thousand, one hundred eighty-nine".
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