Base | Representation |
---|---|
bin | 1100100001001… |
… | …01001111100101 |
3 | 21022121001211210 |
4 | 12100211033211 |
5 | 203340311044 |
6 | 14230422033 |
7 | 2413400016 |
oct | 620451745 |
9 | 238531753 |
10 | 105010149 |
11 | 54303752 |
12 | 2b201919 |
13 | 189a90aa |
14 | dd3700d |
15 | 93441b9 |
hex | 64253e5 |
105010149 has 4 divisors (see below), whose sum is σ = 140013536. Its totient is φ = 70006764.
The previous prime is 105010127. The next prime is 105010151. The reversal of 105010149 is 941010501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941010501 = 3 ⋅313670167.
It is not a de Polignac number, because 105010149 - 28 = 105009893 is a prime.
It is a super-2 number, since 2×1050101492 = 22054262786004402, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105010159) 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, 17501689 + ... + 17501694.
It is an arithmetic number, because the mean of its divisors is an integer number (35003384).
Almost surely, 2105010149 is an apocalyptic number.
It is an amenable number.
105010149 is a deficient number, since it is larger than the sum of its proper divisors (35003387).
105010149 is an equidigital number, since it uses as much as digits as its factorization.
105010149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35003386.
The product of its (nonzero) digits is 180, while the sum is 21.
The square root of 105010149 is about 10247.4459744855. The cubic root of 105010149 is about 471.7845975027.
The spelling of 105010149 in words is "one hundred five million, ten thousand, one hundred forty-nine".
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