Base | Representation |
---|---|
bin | 110010011101110110… |
… | …100001111001100001 |
3 | 12011212110010210211111 |
4 | 302131312201321201 |
5 | 1341434102100324 |
6 | 40521003143321 |
7 | 3625553522614 |
oct | 623566417141 |
9 | 164773123744 |
10 | 54187925089 |
11 | 20a87742171 |
12 | a603514b41 |
13 | 51575ab5cc |
14 | 28a0a0217b |
15 | 162238b794 |
hex | c9dda1e61 |
54187925089 has 27 divisors (see below), whose sum is σ = 58835617113. Its totient is φ = 49901226144.
The previous prime is 54187925087. The next prime is 54187925171. The reversal of 54187925089 is 98052978145.
The square root of 54187925089 is 232783.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 3796654689 + 50391270400 = 61617^2 + 224480^2 .
It is not a de Polignac number, because 54187925089 - 21 = 54187925087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54187925087) 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 26 ways as a sum of consecutive naturals, for example, 155266087 + ... + 155266435.
Almost surely, 254187925089 is an apocalyptic number.
54187925089 is the 232783-rd square number.
54187925089 is the 116392-nd centered octagonal number.
It is an amenable number.
54187925089 is a deficient number, since it is larger than the sum of its proper divisors (4647692024).
54187925089 is an frugal number, since it uses more digits than its factorization.
54187925089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 802 (or 401 counting only the distinct ones).
The product of its (nonzero) digits is 7257600, while the sum is 58.
The spelling of 54187925089 in words is "fifty-four billion, one hundred eighty-seven million, nine hundred twenty-five thousand, eighty-nine".
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