Base | Representation |
---|---|
bin | 110010011100010001… |
… | …000101011110110001 |
3 | 12011210121002202011122 |
4 | 302130101011132301 |
5 | 1341410300112040 |
6 | 40514213152025 |
7 | 3625111504304 |
oct | 623421053661 |
9 | 164717082148 |
10 | 54161332145 |
11 | 20a73729528 |
12 | a5b662b615 |
13 | 5151c2a33b |
14 | 289b27cb3b |
15 | 161ed871b5 |
hex | c9c4457b1 |
54161332145 has 8 divisors (see below), whose sum is σ = 65147980200. Its totient is φ = 43226144640.
The previous prime is 54161332133. The next prime is 54161332171. The reversal of 54161332145 is 54123316145.
It can be written as a sum of positive squares in 4 ways, for example, as 533425216 + 53627906929 = 23096^2 + 231577^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54161332145 - 218 = 54161070001 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12862820 + ... + 12867029.
It is an arithmetic number, because the mean of its divisors is an integer number (8143497525).
Almost surely, 254161332145 is an apocalyptic number.
It is an amenable number.
54161332145 is a deficient number, since it is larger than the sum of its proper divisors (10986648055).
54161332145 is a wasteful number, since it uses less digits than its factorization.
54161332145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25730275.
The product of its digits is 43200, while the sum is 35.
The spelling of 54161332145 in words is "fifty-four billion, one hundred sixty-one million, three hundred thirty-two thousand, one hundred forty-five".
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