Base | Representation |
---|---|
bin | 10000110101111… |
… | …00101011000100 |
3 | 100211211212110020 |
4 | 20122330223010 |
5 | 242132010423 |
6 | 22004055140 |
7 | 3333606561 |
oct | 1032745304 |
9 | 324755406 |
10 | 141281988 |
11 | 72828281 |
12 | 3b3944b0 |
13 | 23368a13 |
14 | 14a99868 |
15 | c60b4e3 |
hex | 86bcac4 |
141281988 has 12 divisors (see below), whose sum is σ = 329658000. Its totient is φ = 47093992.
The previous prime is 141281971. The next prime is 141281989. The reversal of 141281988 is 889182141.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (141281989) 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 3 ways as a sum of consecutive naturals, for example, 5886738 + ... + 5886761.
It is an arithmetic number, because the mean of its divisors is an integer number (27471500).
Almost surely, 2141281988 is an apocalyptic number.
It is an amenable number.
141281988 is an abundant number, since it is smaller than the sum of its proper divisors (188376012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141281988 is a wasteful number, since it uses less digits than its factorization.
141281988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11773506 (or 11773504 counting only the distinct ones).
The product of its digits is 36864, while the sum is 42.
The square root of 141281988 is about 11886.2099930970. The cubic root of 141281988 is about 520.8295290488.
The spelling of 141281988 in words is "one hundred forty-one million, two hundred eighty-one thousand, nine hundred eighty-eight".
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