Base | Representation |
---|---|
bin | 110010110010010100… |
… | …001100010110001010 |
3 | 12012202101011021211102 |
4 | 302302110030112022 |
5 | 1343134444323300 |
6 | 41015025501402 |
7 | 3640222636613 |
oct | 626224142612 |
9 | 165671137742 |
10 | 54531245450 |
11 | 21143514900 |
12 | a69a4a1862 |
13 | 51b0766356 |
14 | 28d4450c0a |
15 | 16425a60d5 |
hex | cb250c58a |
54531245450 has 72 divisors (see below), whose sum is σ = 117355092960. Its totient is φ = 18785844000.
The previous prime is 54531245449. The next prime is 54531245453. The reversal of 54531245450 is 5454213545.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (54531245453) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122246 + ... + 352145.
Almost surely, 254531245450 is an apocalyptic number.
54531245450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
54531245450 is an abundant number, since it is smaller than the sum of its proper divisors (62823847510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54531245450 is a wasteful number, since it uses less digits than its factorization.
54531245450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474444 (or 474428 counting only the distinct ones).
The product of its (nonzero) digits is 240000, while the sum is 38.
Adding to 54531245450 its reverse (5454213545), we get a palindrome (59985458995).
The spelling of 54531245450 in words is "fifty-four billion, five hundred thirty-one million, two hundred forty-five thousand, four hundred fifty".
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