Base | Representation |
---|---|
bin | 10000111111010000… |
… | …00010110001110111 |
3 | 212112121212200211012 |
4 | 20133220002301313 |
5 | 122134323303211 |
6 | 4105004302435 |
7 | 442005121103 |
oct | 103750026167 |
9 | 25477780735 |
10 | 9120525431 |
11 | 3960331826 |
12 | 1926541a1b |
13 | b2472c414 |
14 | 62742a903 |
15 | 385a87d8b |
hex | 21fa02c77 |
9120525431 has 8 divisors (see below), whose sum is σ = 9270331200. Its totient is φ = 8971578720.
The previous prime is 9120525413. The next prime is 9120525437. The reversal of 9120525431 is 1345250219.
9120525431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 9120525431 - 26 = 9120525367 is a prime.
It is a super-3 number, since 3×91205254313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9120525437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193340 + ... + 235841.
It is an arithmetic number, because the mean of its divisors is an integer number (1158791400).
Almost surely, 29120525431 is an apocalyptic number.
9120525431 is a deficient number, since it is larger than the sum of its proper divisors (149805769).
9120525431 is a wasteful number, since it uses less digits than its factorization.
9120525431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429529.
The product of its (nonzero) digits is 10800, while the sum is 32.
The square root of 9120525431 is about 95501.4420362331. The cubic root of 9120525431 is about 2089.3279762881.
The spelling of 9120525431 in words is "nine billion, one hundred twenty million, five hundred twenty-five thousand, four hundred thirty-one".
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