Base | Representation |
---|---|
bin | 101011110101110101… |
… | …110011111110001011 |
3 | 11111111200101222222010 |
4 | 223311311303332023 |
5 | 1232401443304022 |
6 | 33343043231003 |
7 | 3254354034660 |
oct | 536565637613 |
9 | 144450358863 |
10 | 47074197387 |
11 | 18a67180268 |
12 | 9159078463 |
13 | 4592866689 |
14 | 23c7d1da67 |
15 | 1357aaa50c |
hex | af5d73f8b |
47074197387 has 32 divisors (see below), whose sum is σ = 73800197632. Its totient is φ = 26135011584.
The previous prime is 47074197343. The next prime is 47074197433. The reversal of 47074197387 is 78379147074.
It is a happy number.
It is not a de Polignac number, because 47074197387 - 26 = 47074197323 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47074196387) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126448 + ... + 331869.
It is an arithmetic number, because the mean of its divisors is an integer number (2306256176).
Almost surely, 247074197387 is an apocalyptic number.
47074197387 is a deficient number, since it is larger than the sum of its proper divisors (26726000245).
47074197387 is a wasteful number, since it uses less digits than its factorization.
47074197387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458467.
The product of its (nonzero) digits is 8297856, while the sum is 57.
The spelling of 47074197387 in words is "forty-seven billion, seventy-four million, one hundred ninety-seven thousand, three hundred eighty-seven".
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