Base | Representation |
---|---|
bin | 101111101101… |
… | …000001101011 |
3 | 212112022220101 |
4 | 233231001223 |
5 | 11200131240 |
6 | 1124010231 |
7 | 211202203 |
oct | 57550153 |
9 | 25468811 |
10 | 12505195 |
11 | 707137a |
12 | 4230977 |
13 | 278ac31 |
14 | 1937403 |
15 | 117039a |
hex | bed06b |
12505195 has 8 divisors (see below), whose sum is σ = 15187536. Its totient is φ = 9883296.
The previous prime is 12505189. The next prime is 12505219. The reversal of 12505195 is 59150521.
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 12505195 - 217 = 12374123 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14652 + ... + 15481.
It is an arithmetic number, because the mean of its divisors is an integer number (1898442).
Almost surely, 212505195 is an apocalyptic number.
12505195 is a deficient number, since it is larger than the sum of its proper divisors (2682341).
12505195 is an equidigital number, since it uses as much as digits as its factorization.
12505195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30221.
The product of its (nonzero) digits is 2250, while the sum is 28.
The square root of 12505195 is about 3536.2685135606. The cubic root of 12505195 is about 232.1115879664. Note that the first 3 decimals are identical.
The spelling of 12505195 in words is "twelve million, five hundred five thousand, one hundred ninety-five".
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