Base | Representation |
---|---|
bin | 110000110001… |
… | …010111000111 |
3 | 220001112212001 |
4 | 300301113013 |
5 | 11233110340 |
6 | 1134010131 |
7 | 213446221 |
oct | 60612707 |
9 | 26045761 |
10 | 12785095 |
11 | 72426a4 |
12 | 4346947 |
13 | 285845b |
14 | 19ab411 |
15 | 11c829a |
hex | c315c7 |
12785095 has 8 divisors (see below), whose sum is σ = 15361776. Its totient is φ = 10214976.
The previous prime is 12785093. The next prime is 12785099. The reversal of 12785095 is 59058721.
12785095 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
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 12785095 - 21 = 12785093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12785093) 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, 5419 + ... + 7411.
It is an arithmetic number, because the mean of its divisors is an integer number (1920222).
Almost surely, 212785095 is an apocalyptic number.
12785095 is a deficient number, since it is larger than the sum of its proper divisors (2576681).
12785095 is a wasteful number, since it uses less digits than its factorization.
12785095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3281.
The product of its (nonzero) digits is 25200, while the sum is 37.
The square root of 12785095 is about 3575.6251201713. The cubic root of 12785095 is about 233.8305869488.
The spelling of 12785095 in words is "twelve million, seven hundred eighty-five thousand, ninety-five".
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