Base | Representation |
---|---|
bin | 1100100001000… |
… | …11000010101011 |
3 | 21022120121110210 |
4 | 12100203002223 |
5 | 203340014011 |
6 | 14230312203 |
7 | 2413331514 |
oct | 620430253 |
9 | 238517423 |
10 | 105001131 |
11 | 542a79a4 |
12 | 2b1b8663 |
13 | 189a4c61 |
14 | dd33a0b |
15 | 93416a6 |
hex | 64230ab |
105001131 has 4 divisors (see below), whose sum is σ = 140001512. Its totient is φ = 70000752.
The previous prime is 105001097. The next prime is 105001151. The reversal of 105001131 is 131100501.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 105001131 - 210 = 105000107 is a prime.
It is a super-2 number, since 2×1050011312 = 22050475022558322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105001151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17500186 + ... + 17500191.
It is an arithmetic number, because the mean of its divisors is an integer number (35000378).
Almost surely, 2105001131 is an apocalyptic number.
105001131 is a deficient number, since it is larger than the sum of its proper divisors (35000381).
105001131 is an equidigital number, since it uses as much as digits as its factorization.
105001131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35000380.
The product of its (nonzero) digits is 15, while the sum is 12.
The square root of 105001131 is about 10247.0059529601. The cubic root of 105001131 is about 471.7710919024.
Adding to 105001131 its reverse (131100501), we get a palindrome (236101632).
The spelling of 105001131 in words is "one hundred five million, one thousand, one hundred thirty-one".
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