Base | Representation |
---|---|
bin | 1111000010000… |
… | …11100001100101 |
3 | 22210021211111112 |
4 | 13201003201211 |
5 | 224240340301 |
6 | 20302514405 |
7 | 3060611051 |
oct | 741034145 |
9 | 283254445 |
10 | 126105701 |
11 | 65202097 |
12 | 36295a05 |
13 | 20184077 |
14 | 12a68c61 |
15 | b10e9bb |
hex | 7843865 |
126105701 has 4 divisors (see below), whose sum is σ = 126144012. Its totient is φ = 126067392.
The previous prime is 126105611. The next prime is 126105719. The reversal of 126105701 is 107501621.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5764801 + 120340900 = 2401^2 + 10970^2 .
It is a cyclic number.
It is not a de Polignac number, because 126105701 - 222 = 121911397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126105781) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13700 + ... + 20973.
It is an arithmetic number, because the mean of its divisors is an integer number (31536003).
Almost surely, 2126105701 is an apocalyptic number.
It is an amenable number.
126105701 is a deficient number, since it is larger than the sum of its proper divisors (38311).
126105701 is an equidigital number, since it uses as much as digits as its factorization.
126105701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38310.
The product of its (nonzero) digits is 420, while the sum is 23.
The square root of 126105701 is about 11229.6794700472. The cubic root of 126105701 is about 501.4699423044.
The spelling of 126105701 in words is "one hundred twenty-six million, one hundred five thousand, seven hundred one".
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