Base | Representation |
---|---|
bin | 1111000011001… |
… | …01100010001001 |
3 | 22210112220120210 |
4 | 13201211202021 |
5 | 224304320001 |
6 | 20305511333 |
7 | 3062031141 |
oct | 741454211 |
9 | 283486523 |
10 | 126245001 |
11 | 65297813 |
12 | 36342549 |
13 | 202025ac |
14 | 12aa3921 |
15 | b13add6 |
hex | 7865889 |
126245001 has 4 divisors (see below), whose sum is σ = 168326672. Its totient is φ = 84163332.
The previous prime is 126244981. The next prime is 126245017. The reversal of 126245001 is 100542621.
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.
It is not a de Polignac number, because 126245001 - 25 = 126244969 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (126245201) 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, 21040831 + ... + 21040836.
It is an arithmetic number, because the mean of its divisors is an integer number (42081668).
Almost surely, 2126245001 is an apocalyptic number.
It is an amenable number.
126245001 is a deficient number, since it is larger than the sum of its proper divisors (42081671).
126245001 is an equidigital number, since it uses as much as digits as its factorization.
126245001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42081670.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 126245001 is about 11235.8800723397. The cubic root of 126245001 is about 501.6545204188.
Adding to 126245001 its reverse (100542621), we get a palindrome (226787622).
The spelling of 126245001 in words is "one hundred twenty-six million, two hundred forty-five thousand, one".
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