Base | Representation |
---|---|
bin | 110011000111010101… |
… | …111010111010011111 |
3 | 12020122221222002100201 |
4 | 303013111322322133 |
5 | 1344400302113441 |
6 | 41114031004331 |
7 | 3652035320512 |
oct | 630725727237 |
9 | 166587862321 |
10 | 54884019871 |
11 | 2130466450a |
12 | a7786696a7 |
13 | 5238881305 |
14 | 2929240d79 |
15 | 166353bc31 |
hex | cc757ae9f |
54884019871 has 4 divisors (see below), whose sum is σ = 56222654544. Its totient is φ = 53545385200.
The previous prime is 54884019851. The next prime is 54884019877. The reversal of 54884019871 is 17891048845.
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 54884019871 - 227 = 54749802143 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 (54884019877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669317275 + ... + 669317356.
It is an arithmetic number, because the mean of its divisors is an integer number (14055663636).
Almost surely, 254884019871 is an apocalyptic number.
54884019871 is a deficient number, since it is larger than the sum of its proper divisors (1338634673).
54884019871 is a wasteful number, since it uses less digits than its factorization.
54884019871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1338634672.
The product of its (nonzero) digits is 2580480, while the sum is 55.
It can be divided in two parts, 548840 and 19871, that added together give a triangular number (568711 = T1066).
The spelling of 54884019871 in words is "fifty-four billion, eight hundred eighty-four million, nineteen thousand, eight hundred seventy-one".
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