Base | Representation |
---|---|
bin | 101100000001100101… |
… | …110111100110101101 |
3 | 11112000102101010001011 |
4 | 230001211313212231 |
5 | 1233302431011212 |
6 | 33414404545221 |
7 | 3262266541033 |
oct | 540145674655 |
9 | 145012333034 |
10 | 47271344557 |
11 | 19058494908 |
12 | 91b30b2211 |
13 | 45c46622c8 |
14 | 240619c553 |
15 | 136a04e4a7 |
hex | b019779ad |
47271344557 has 16 divisors (see below), whose sum is σ = 49900780800. Its totient is φ = 44656254720.
The previous prime is 47271344551. The next prime is 47271344581. The reversal of 47271344557 is 75544317274.
It is a cyclic number.
It is not a de Polignac number, because 47271344557 - 211 = 47271342509 is a prime.
It is a super-2 number, since 2×472713445572 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47271344557.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47271344551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12178257 + ... + 12182137.
It is an arithmetic number, because the mean of its divisors is an integer number (3118798800).
Almost surely, 247271344557 is an apocalyptic number.
It is an amenable number.
47271344557 is a deficient number, since it is larger than the sum of its proper divisors (2629436243).
47271344557 is a wasteful number, since it uses less digits than its factorization.
47271344557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5556.
The product of its digits is 3292800, while the sum is 49.
The spelling of 47271344557 in words is "forty-seven billion, two hundred seventy-one million, three hundred forty-four thousand, five hundred fifty-seven".
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