Base | Representation |
---|---|
bin | 100011000111110001… |
… | …1111010101001110001 |
3 | 21012200100200102222221 |
4 | 1012033203322221301 |
5 | 2213431242014301 |
6 | 54352052401041 |
7 | 5310023634532 |
oct | 1061743725161 |
9 | 235610612887 |
10 | 75423001201 |
11 | 29a94355149 |
12 | 1274b016181 |
13 | 715cb0bcc2 |
14 | 3916d48689 |
15 | 1e66770da1 |
hex | 118f8faa71 |
75423001201 has 4 divisors (see below), whose sum is σ = 75574150000. Its totient is φ = 75271852404.
The previous prime is 75423001187. The next prime is 75423001253. The reversal of 75423001201 is 10210032457.
It is a happy number.
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 75423001201 - 29 = 75423000689 is a prime.
It is a super-2 number, since 2×754230012012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75423001501) 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, 75573651 + ... + 75574648.
It is an arithmetic number, because the mean of its divisors is an integer number (18893537500).
Almost surely, 275423001201 is an apocalyptic number.
It is an amenable number.
75423001201 is a deficient number, since it is larger than the sum of its proper divisors (151148799).
75423001201 is a wasteful number, since it uses less digits than its factorization.
75423001201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151148798.
The product of its (nonzero) digits is 1680, while the sum is 25.
Adding to 75423001201 its reverse (10210032457), we get a palindrome (85633033658).
The spelling of 75423001201 in words is "seventy-five billion, four hundred twenty-three million, one thousand, two hundred one".
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