Base | Representation |
---|---|
bin | 110010011101000111… |
… | …011000011111001100 |
3 | 12011211120212220001000 |
4 | 302131013120133030 |
5 | 1341422421101042 |
6 | 40515442220300 |
7 | 3625343465616 |
oct | 623507303714 |
9 | 164746786030 |
10 | 54175565772 |
11 | 20a80770459 |
12 | a5bb354690 |
13 | 5154b71bc3 |
14 | 289d105db6 |
15 | 162124974c |
hex | c9d1d87cc |
54175565772 has 36 divisors (see below), whose sum is σ = 140461441960. Its totient is φ = 18057715632.
The previous prime is 54175565771. The next prime is 54175565777. The reversal of 54175565772 is 27756557145.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
54175565772 is a `hidden beast` number, since 5 + 4 + 1 + 7 + 5 + 565 + 7 + 72 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (54175565771) 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 11 ways as a sum of consecutive naturals, for example, 2407678 + ... + 2430074.
Almost surely, 254175565772 is an apocalyptic number.
It is an amenable number.
54175565772 is an abundant number, since it is smaller than the sum of its proper divisors (86285876188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54175565772 is an frugal number, since it uses more digits than its factorization.
54175565772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44807 (or 22402 counting only the distinct ones).
The product of its digits is 10290000, while the sum is 54.
The spelling of 54175565772 in words is "fifty-four billion, one hundred seventy-five million, five hundred sixty-five thousand, seven hundred seventy-two".
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