Base | Representation |
---|---|
bin | 10001001011011… |
… | …00110101001001 |
3 | 101001011001222021 |
4 | 20211230311021 |
5 | 243342210211 |
6 | 22144324441 |
7 | 3366556414 |
oct | 1045546511 |
9 | 331131867 |
10 | 144100681 |
11 | 74382a7a |
12 | 40313721 |
13 | 23b1499a |
14 | 151d0b7b |
15 | c9b6771 |
hex | 896cd49 |
144100681 has 16 divisors (see below), whose sum is σ = 159782400. Its totient is φ = 129463488.
The previous prime is 144100673. The next prime is 144100703. The reversal of 144100681 is 186001441.
144100681 = T295 + T296 + ... + T961.
It is a cyclic number.
It is not a de Polignac number, because 144100681 - 23 = 144100673 is a prime.
It is a super-2 number, since 2×1441006812 = 41530012529327522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144103681) 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, 21760 + ... + 27598.
It is an arithmetic number, because the mean of its divisors is an integer number (9986400).
Almost surely, 2144100681 is an apocalyptic number.
It is an amenable number.
144100681 is a deficient number, since it is larger than the sum of its proper divisors (15681719).
144100681 is a wasteful number, since it uses less digits than its factorization.
144100681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5928.
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 144100681 is about 12004.1943086573. The cubic root of 144100681 is about 524.2704072648.
The spelling of 144100681 in words is "one hundred forty-four million, one hundred thousand, six hundred eighty-one".
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