Base | Representation |
---|---|
bin | 10000111000111… |
… | …10001001101101 |
3 | 100212121011011010 |
4 | 20130132021231 |
5 | 242232300021 |
6 | 22020415433 |
7 | 3340161621 |
oct | 1034361155 |
9 | 325534133 |
10 | 141681261 |
11 | 72a80257 |
12 | 3b547579 |
13 | 23478687 |
14 | 14b61181 |
15 | c689976 |
hex | 871e26d |
141681261 has 8 divisors (see below), whose sum is σ = 189273024. Its totient is φ = 94271840.
The previous prime is 141681229. The next prime is 141681277. The reversal of 141681261 is 162186141.
141681261 is digitally balanced in base 2, because in such base 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 141681261 - 25 = 141681229 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141681061) 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, 43761 + ... + 46886.
It is an arithmetic number, because the mean of its divisors is an integer number (23659128).
Almost surely, 2141681261 is an apocalyptic number.
It is an amenable number.
141681261 is a deficient number, since it is larger than the sum of its proper divisors (47591763).
141681261 is an equidigital number, since it uses as much as digits as its factorization.
141681261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91171.
The product of its digits is 2304, while the sum is 30.
The square root of 141681261 is about 11902.9937830783. The cubic root of 141681261 is about 521.3197014141.
The spelling of 141681261 in words is "one hundred forty-one million, six hundred eighty-one thousand, two hundred sixty-one".
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