Base | Representation |
---|---|
bin | 1000111110100… |
… | …10101111110001 |
3 | 12020201020210112 |
4 | 10133102233301 |
5 | 123234441423 |
6 | 11250111105 |
7 | 1603066562 |
oct | 437225761 |
9 | 166636715 |
10 | 75312113 |
11 | 3956a118 |
12 | 2127b495 |
13 | 127ab6a6 |
14 | a006169 |
15 | 6929a78 |
hex | 47d2bf1 |
75312113 has 8 divisors (see below), whose sum is σ = 77907456. Its totient is φ = 72727200.
The previous prime is 75312103. The next prime is 75312151. The reversal of 75312113 is 31121357.
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 75312113 - 28 = 75311857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75312103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13820 + ... + 18482.
It is an arithmetic number, because the mean of its divisors is an integer number (9738432).
Almost surely, 275312113 is an apocalyptic number.
It is an amenable number.
75312113 is a deficient number, since it is larger than the sum of its proper divisors (2595343).
75312113 is a wasteful number, since it uses less digits than its factorization.
75312113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5215.
The product of its digits is 630, while the sum is 23.
The square root of 75312113 is about 8678.2551817747. The cubic root of 75312113 is about 422.3005148160.
The spelling of 75312113 in words is "seventy-five million, three hundred twelve thousand, one hundred thirteen".
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