Base | Representation |
---|---|
bin | 101110100001… |
… | …011010100111 |
3 | 211221121002000 |
4 | 232201122213 |
5 | 11110223440 |
6 | 1113220343 |
7 | 205442244 |
oct | 56413247 |
9 | 24847060 |
10 | 12195495 |
11 | 697a724 |
12 | 41016b3 |
13 | 26acc90 |
14 | 18965cb |
15 | 110d730 |
hex | ba16a7 |
12195495 has 32 divisors (see below), whose sum is σ = 23352000. Its totient is φ = 6003072.
The previous prime is 12195487. The next prime is 12195499. The reversal of 12195495 is 59459121.
12195495 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12195495 - 23 = 12195487 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12195499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1720 + ... + 5229.
It is an arithmetic number, because the mean of its divisors is an integer number (729750).
Almost surely, 212195495 is an apocalyptic number.
12195495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12195495 is a deficient number, since it is larger than the sum of its proper divisors (11156505).
12195495 is a wasteful number, since it uses less digits than its factorization.
12195495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6976 (or 6970 counting only the distinct ones).
The product of its digits is 16200, while the sum is 36.
The square root of 12195495 is about 3492.2048908963. The cubic root of 12195495 is about 230.1794126269.
The spelling of 12195495 in words is "twelve million, one hundred ninety-five thousand, four hundred ninety-five".
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