Base | Representation |
---|---|
bin | 11000111111001100101010… |
… | …00101100001101111110111 |
3 | 21012112222102211201200021222 |
4 | 30133212111011201233313 |
5 | 24200232020033344423 |
6 | 312510434304300555 |
7 | 14400602051402264 |
oct | 1437462505415767 |
9 | 235488384650258 |
10 | 54948017871863 |
11 | 16565361662376 |
12 | 61b536401175b |
13 | 24877641b9a2c |
14 | d7d6d92d826b |
15 | 6544cd9a93c8 |
hex | 31f995161bf7 |
54948017871863 has 4 divisors (see below), whose sum is σ = 56225878752648. Its totient is φ = 53670156991080.
The previous prime is 54948017871853. The next prime is 54948017871881. The reversal of 54948017871863 is 36817871084945.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 54948017871863 - 212 = 54948017867767 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 (54948017871823) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638930440328 + ... + 638930440413.
It is an arithmetic number, because the mean of its divisors is an integer number (14056469688162).
Almost surely, 254948017871863 is an apocalyptic number.
54948017871863 is a deficient number, since it is larger than the sum of its proper divisors (1277860880785).
54948017871863 is a wasteful number, since it uses less digits than its factorization.
54948017871863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1277860880784.
The product of its (nonzero) digits is 325140480, while the sum is 71.
The spelling of 54948017871863 in words is "fifty-four trillion, nine hundred forty-eight billion, seventeen million, eight hundred seventy-one thousand, eight hundred sixty-three".
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