Base | Representation |
---|---|
bin | 100111100110101100… |
… | …110010001000001001 |
3 | 11001202122200020112122 |
4 | 213212230302020021 |
5 | 1144042423030001 |
6 | 31311422421025 |
7 | 3033546164336 |
oct | 474654621011 |
9 | 131678606478 |
10 | 42525205001 |
11 | 17042407a24 |
12 | 82a9731775 |
13 | 40192982c6 |
14 | 20b5add98d |
15 | 118d540b1b |
hex | 9e6b32209 |
42525205001 has 4 divisors (see below), whose sum is σ = 42533157504. Its totient is φ = 42517252500.
The previous prime is 42525204989. The next prime is 42525205003. The reversal of 42525205001 is 10050252524.
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 a cyclic number.
It is not a de Polignac number, because 42525205001 - 26 = 42525204937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42525205003) 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, 3968225 + ... + 3978926.
It is an arithmetic number, because the mean of its divisors is an integer number (10633289376).
Almost surely, 242525205001 is an apocalyptic number.
It is an amenable number.
42525205001 is a deficient number, since it is larger than the sum of its proper divisors (7952503).
42525205001 is an equidigital number, since it uses as much as digits as its factorization.
42525205001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7952502.
The product of its (nonzero) digits is 4000, while the sum is 26.
Adding to 42525205001 its reverse (10050252524), we get a palindrome (52575457525).
The spelling of 42525205001 in words is "forty-two billion, five hundred twenty-five million, two hundred five thousand, one".
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