Base | Representation |
---|---|
bin | 101011111011101110… |
… | …010110000100010110 |
3 | 11111202120010202212121 |
4 | 223323232112010112 |
5 | 1233102230400230 |
6 | 33400531010154 |
7 | 3256663030000 |
oct | 537356260426 |
9 | 144676122777 |
10 | 47172903190 |
11 | 19007968406 |
12 | 918613995a |
13 | 45aa14608a |
14 | 23d7095370 |
15 | 13615a677a |
hex | afbb96116 |
47172903190 has 40 divisors (see below), whose sum is σ = 99057252960. Its totient is φ = 16173558576.
The previous prime is 47172903161. The next prime is 47172903199. The reversal of 47172903190 is 9130927174.
It is a happy number.
It is a super-2 number, since 2×471729031902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47172903199) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 958350 + ... + 1006369.
It is an arithmetic number, because the mean of its divisors is an integer number (2476431324).
Almost surely, 247172903190 is an apocalyptic number.
47172903190 is an abundant number, since it is smaller than the sum of its proper divisors (51884349770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47172903190 is an equidigital number, since it uses as much as digits as its factorization.
47172903190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1964754 (or 1964733 counting only the distinct ones).
The product of its (nonzero) digits is 95256, while the sum is 43.
The spelling of 47172903190 in words is "forty-seven billion, one hundred seventy-two million, nine hundred three thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •