Base | Representation |
---|---|
bin | 10000111000110… |
… | …10001101111001 |
3 | 100212120100001020 |
4 | 20130122031321 |
5 | 242231241040 |
6 | 22020213053 |
7 | 3340063626 |
oct | 1034321571 |
9 | 325510036 |
10 | 141665145 |
11 | 72a6a136 |
12 | 3b53a189 |
13 | 2347123b |
14 | 14b5934d |
15 | c684cd0 |
hex | 871a379 |
141665145 has 16 divisors (see below), whose sum is σ = 234480960. Its totient is φ = 72949184.
The previous prime is 141665143. The next prime is 141665149. The reversal of 141665145 is 541566141.
141665145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 141665145 - 21 = 141665143 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (141665143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162399 + ... + 163268.
It is an arithmetic number, because the mean of its divisors is an integer number (14655060).
Almost surely, 2141665145 is an apocalyptic number.
141665145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
141665145 is a deficient number, since it is larger than the sum of its proper divisors (92815815).
141665145 is a wasteful number, since it uses less digits than its factorization.
141665145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325704.
The product of its digits is 14400, while the sum is 33.
The square root of 141665145 is about 11902.3167912806. The cubic root of 141665145 is about 521.2999342579.
The spelling of 141665145 in words is "one hundred forty-one million, six hundred sixty-five thousand, one hundred forty-five".
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