Base | Representation |
---|---|
bin | 101011111010000010… |
… | …000111011110111111 |
3 | 11111200120202100210012 |
4 | 223322002013132333 |
5 | 1233023000010103 |
6 | 33354034533435 |
7 | 3256166623610 |
oct | 537202073677 |
9 | 144616670705 |
10 | 47144531903 |
11 | 18aa294a667 |
12 | 917873727b |
13 | 45a42c1531 |
14 | 23d33cbc07 |
15 | 135dd502d8 |
hex | afa0877bf |
47144531903 has 16 divisors (see below), whose sum is σ = 57080401920. Its totient is φ = 38011526016.
The previous prime is 47144531899. The next prime is 47144531923. The reversal of 47144531903 is 30913544174.
It is a cyclic number.
It is not a de Polignac number, because 47144531903 - 22 = 47144531899 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 (47144531923) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108278 + ... + 325596.
It is an arithmetic number, because the mean of its divisors is an integer number (3567525120).
Almost surely, 247144531903 is an apocalyptic number.
47144531903 is a deficient number, since it is larger than the sum of its proper divisors (9935870017).
47144531903 is a wasteful number, since it uses less digits than its factorization.
47144531903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219166.
The product of its (nonzero) digits is 181440, while the sum is 41.
The spelling of 47144531903 in words is "forty-seven billion, one hundred forty-four million, five hundred thirty-one thousand, nine hundred three".
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