Base | Representation |
---|---|
bin | 110010011101000010… |
… | …111000101000101000 |
3 | 12011211111122222200201 |
4 | 302131002320220220 |
5 | 1341422120333403 |
6 | 40515401041544 |
7 | 3625330455310 |
oct | 623502705050 |
9 | 164744588621 |
10 | 54174386728 |
11 | 20a80035640 |
12 | a5baa862b4 |
13 | 515484b347 |
14 | 289ccba440 |
15 | 16210b521d |
hex | c9d0b8a28 |
54174386728 has 128 divisors (see below), whose sum is σ = 133944652800. Its totient is φ = 19900339200.
The previous prime is 54174386719. The next prime is 54174386743. The reversal of 54174386728 is 82768347145.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2458576 + ... + 2480512.
It is an arithmetic number, because the mean of its divisors is an integer number (1046442600).
Almost surely, 254174386728 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54174386728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66972326400).
54174386728 is an abundant number, since it is smaller than the sum of its proper divisors (79770266072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54174386728 is a wasteful number, since it uses less digits than its factorization.
54174386728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22191 (or 22187 counting only the distinct ones).
The product of its digits is 9031680, while the sum is 55.
The spelling of 54174386728 in words is "fifty-four billion, one hundred seventy-four million, three hundred eighty-six thousand, seven hundred twenty-eight".
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