Base | Representation |
---|---|
bin | 11000111101111101100010… |
… | …11110101010101000100001 |
3 | 21012101220210210200102100001 |
4 | 30132332301132222220201 |
5 | 24144033023401112240 |
6 | 312435131533500001 |
7 | 14364536402210314 |
oct | 1436766136525041 |
9 | 235356723612301 |
10 | 54905544550945 |
11 | 16549346572760 |
12 | 61a908b941601 |
13 | 24837558b958a |
14 | d7b62a46297b |
15 | 653344cb689a |
hex | 31efb17aaa21 |
54905544550945 has 32 divisors (see below), whose sum is σ = 72132805413504. Its totient is φ = 39788839180800.
The previous prime is 54905544550943. The next prime is 54905544551047.
It is a happy number.
54905544550945 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54905544550945 - 21 = 54905544550943 is a prime.
It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (54905544550943) 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, 759240109 + ... + 759312421.
It is an arithmetic number, because the mean of its divisors is an integer number (2254150169172).
Almost surely, 254905544550945 is an apocalyptic number.
54905544550945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54905544550945 is a deficient number, since it is larger than the sum of its proper divisors (17227260862559).
54905544550945 is a wasteful number, since it uses less digits than its factorization.
54905544550945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121393.
The product of its (nonzero) digits is 324000000, while the sum is 64.
The spelling of 54905544550945 in words is "fifty-four trillion, nine hundred five billion, five hundred forty-four million, five hundred fifty thousand, nine hundred forty-five".
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