Base | Representation |
---|---|
bin | 11000111101010001000000… |
… | …01010101101001000001100 |
3 | 21012022122002021121001221000 |
4 | 30132220200022231020030 |
5 | 24143140040214113414 |
6 | 312420135032140300 |
7 | 14363031666104040 |
oct | 1436504012551014 |
9 | 235278067531830 |
10 | 54881631785484 |
11 | 1653a195422079 |
12 | 61a4517537690 |
13 | 24814146b450a |
14 | d7a3dc654020 |
15 | 6528e57a7b09 |
hex | 31ea202ad20c |
54881631785484 has 96 divisors (see below), whose sum is σ = 162699065661440. Its totient is φ = 15672093974784.
The previous prime is 54881631785459. The next prime is 54881631785521. The reversal of 54881631785484 is 48458713618845.
54881631785484 is a `hidden beast` number, since 5 + 4 + 8 + 8 + 1 + 6 + 3 + 1 + 78 + 548 + 4 = 666.
It is a super-2 number, since 2×548816317854842 (a number of 28 digits) contains 22 as substring.
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, 17963284 + ... + 20795259.
Almost surely, 254881631785484 is an apocalyptic number.
54881631785484 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
54881631785484 is an abundant number, since it is smaller than the sum of its proper divisors (107817433875956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54881631785484 is a wasteful number, since it uses less digits than its factorization.
54881631785484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38760436 (or 38760428 counting only the distinct ones).
The product of its digits is 825753600, while the sum is 72.
The spelling of 54881631785484 in words is "fifty-four trillion, eight hundred eighty-one billion, six hundred thirty-one million, seven hundred eighty-five thousand, four hundred eighty-four".
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