Base | Representation |
---|---|
bin | 101110010101… |
… | …111111100011 |
3 | 211212012220010 |
4 | 232111333203 |
5 | 11102224312 |
6 | 1112220003 |
7 | 205155654 |
oct | 56257743 |
9 | 24765803 |
10 | 12148707 |
11 | 694855a |
12 | 409a603 |
13 | 26948ac |
14 | 188352b |
15 | 10ee93c |
hex | b95fe3 |
12148707 has 4 divisors (see below), whose sum is σ = 16198280. Its totient is φ = 8099136.
The previous prime is 12148687. The next prime is 12148711. The reversal of 12148707 is 70784121.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-12148707 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12148757) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024782 + ... + 2024787.
It is an arithmetic number, because the mean of its divisors is an integer number (4049570).
Almost surely, 212148707 is an apocalyptic number.
12148707 is a deficient number, since it is larger than the sum of its proper divisors (4049573).
12148707 is an equidigital number, since it uses as much as digits as its factorization.
12148707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4049572.
The product of its (nonzero) digits is 3136, while the sum is 30.
The square root of 12148707 is about 3485.4995337828. The cubic root of 12148707 is about 229.8846743827.
It can be divided in two parts, 121 and 48707, that added together give a triangular number (48828 = T312).
The spelling of 12148707 in words is "twelve million, one hundred forty-eight thousand, seven hundred seven".
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