Base | Representation |
---|---|
bin | 100011010111011001… |
… | …0110110011111011100 |
3 | 21021000212200211221200 |
4 | 1012232302312133130 |
5 | 2221014413310022 |
6 | 54520051555500 |
7 | 5326015635156 |
oct | 1065662663734 |
9 | 237025624850 |
10 | 75947010012 |
11 | 2a23311a785 |
12 | 128765bbb90 |
13 | 721454c0a3 |
14 | 396678dad6 |
15 | 1e9777cbac |
hex | 11aecb67dc |
75947010012 has 18 divisors (see below), whose sum is σ = 191977164288. Its totient is φ = 25315669992.
The previous prime is 75947009989. The next prime is 75947010049. The reversal of 75947010012 is 21001074957.
It is a happy number.
75947010012 is a `hidden beast` number, since 75 + 9 + 470 + 100 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2109639167 = 75947010012 / (7 + 5 + 9 + 4 + 7 + 0 + 1 + 0 + 0 + 1 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1054819548 + ... + 1054819619.
It is an arithmetic number, because the mean of its divisors is an integer number (10665398016).
Almost surely, 275947010012 is an apocalyptic number.
It is an amenable number.
75947010012 is an abundant number, since it is smaller than the sum of its proper divisors (116030154276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75947010012 is a wasteful number, since it uses less digits than its factorization.
75947010012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2109639177 (or 2109639172 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 36.
Adding to 75947010012 its reverse (21001074957), we get a palindrome (96948084969).
The spelling of 75947010012 in words is "seventy-five billion, nine hundred forty-seven million, ten thousand, twelve".
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