Base | Representation |
---|---|
bin | 101110010100… |
… | …010100111101 |
3 | 211211212112110 |
4 | 232110110331 |
5 | 11102020020 |
6 | 1112124233 |
7 | 205130040 |
oct | 56242475 |
9 | 24755473 |
10 | 12141885 |
11 | 6943418 |
12 | 4096679 |
13 | 2691762 |
14 | 1880c57 |
15 | 10ec8e0 |
hex | b9453d |
12141885 has 16 divisors (see below), whose sum is σ = 22202496. Its totient is φ = 5550528.
The previous prime is 12141881. The next prime is 12141887. The reversal of 12141885 is 58814121.
It is a happy number.
It is not a de Polignac number, because 12141885 - 22 = 12141881 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12141881) 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 15 ways as a sum of consecutive naturals, for example, 57714 + ... + 57923.
It is an arithmetic number, because the mean of its divisors is an integer number (1387656).
Almost surely, 212141885 is an apocalyptic number.
12141885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12141885 is a deficient number, since it is larger than the sum of its proper divisors (10060611).
12141885 is a wasteful number, since it uses less digits than its factorization.
12141885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115652.
The product of its digits is 2560, while the sum is 30.
The square root of 12141885 is about 3484.5207704934. The cubic root of 12141885 is about 229.8416364174.
The spelling of 12141885 in words is "twelve million, one hundred forty-one thousand, eight hundred eighty-five".
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