Base | Representation |
---|---|
bin | 100001110010111000… |
… | …0011000010101110001 |
3 | 20221022211001101121010 |
4 | 1003211300120111301 |
5 | 2142112440014214 |
6 | 53201243421133 |
7 | 5146312012161 |
oct | 1034560302561 |
9 | 227284041533 |
10 | 72574141809 |
11 | 288622359a4 |
12 | 12094b247a9 |
13 | 6ac78358a0 |
14 | 37268465a1 |
15 | 1d4b5d4659 |
hex | 10e5c18571 |
72574141809 has 16 divisors (see below), whose sum is σ = 104214499200. Its totient is φ = 44658663936.
The previous prime is 72574141793. The next prime is 72574141837. The reversal of 72574141809 is 90814147527.
It is not a de Polignac number, because 72574141809 - 24 = 72574141793 is a prime.
It is a super-3 number, since 3×725741418093 (a number of 34 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (72574141609) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973732 + ... + 1045610.
It is an arithmetic number, because the mean of its divisors is an integer number (6513406200).
Almost surely, 272574141809 is an apocalyptic number.
It is an amenable number.
72574141809 is a deficient number, since it is larger than the sum of its proper divisors (31640357391).
72574141809 is a wasteful number, since it uses less digits than its factorization.
72574141809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97784.
The product of its (nonzero) digits is 564480, while the sum is 48.
The spelling of 72574141809 in words is "seventy-two billion, five hundred seventy-four million, one hundred forty-one thousand, eight hundred nine".
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