Base | Representation |
---|---|
bin | 1000111101010… |
… | …01111110111111 |
3 | 12020101202202202 |
4 | 10132221332333 |
5 | 123214121101 |
6 | 11242342115 |
7 | 1601503034 |
oct | 436517677 |
9 | 166352682 |
10 | 75145151 |
11 | 39465734 |
12 | 211ba93b |
13 | 127506b3 |
14 | 9da138b |
15 | 68e536b |
hex | 47a9fbf |
75145151 has 8 divisors (see below), whose sum is σ = 81259200. Its totient is φ = 69219328.
The previous prime is 75145141. The next prime is 75145181. The reversal of 75145151 is 15154157.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75145151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75145141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46226 + ... + 47823.
It is an arithmetic number, because the mean of its divisors is an integer number (10157400).
Almost surely, 275145151 is an apocalyptic number.
75145151 is a deficient number, since it is larger than the sum of its proper divisors (6114049).
75145151 is a wasteful number, since it uses less digits than its factorization.
75145151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94113.
The product of its digits is 3500, while the sum is 29.
The square root of 75145151 is about 8668.6302839607. The cubic root of 75145151 is about 421.9882130982.
The spelling of 75145151 in words is "seventy-five million, one hundred forty-five thousand, one hundred fifty-one".
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