Base | Representation |
---|---|
bin | 111110011001100000… |
… | …101101111001001011 |
3 | 20101221100022122122021 |
4 | 332121200231321023 |
5 | 2044204000000300 |
6 | 50440202305311 |
7 | 4561215414121 |
oct | 763140557113 |
9 | 211840278567 |
10 | 67000000075 |
11 | 26461831798 |
12 | 10b9a1b8237 |
13 | 6419a63178 |
14 | 335840d911 |
15 | 1b2206bd1a |
hex | f9982de4b |
67000000075 has 48 divisors (see below), whose sum is σ = 91655276544. Its totient is φ = 48362457600.
The previous prime is 67000000061. The next prime is 67000000079. The reversal of 67000000075 is 57000000076.
It is not a de Polignac number, because 67000000075 - 229 = 66463129163 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a junction number, because it is equal to n+sod(n) for n = 66999999986 and 67000000049.
It is not an unprimeable number, because it can be changed into a prime (67000000079) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1385962 + ... + 1433488.
It is an arithmetic number, because the mean of its divisors is an integer number (1909484928).
Almost surely, 267000000075 is an apocalyptic number.
67000000075 is a deficient number, since it is larger than the sum of its proper divisors (24655276469).
67000000075 is a wasteful number, since it uses less digits than its factorization.
67000000075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47692 (or 47687 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 25.
Subtracting from 67000000075 its reverse (57000000076), we obtain a palindrome (9999999999).
The spelling of 67000000075 in words is "sixty-seven billion, seventy-five", and thus it is an aban number and an uban number.
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