Base | Representation |
---|---|
bin | 1100100101100110100… |
… | …1110000000000000000 |
3 | 202200012000012021212000 |
4 | 3021121221300000000 |
5 | 12020341113402121 |
6 | 243202305104000 |
7 | 21423636523050 |
oct | 3113151600000 |
9 | 680160167760 |
10 | 216252481536 |
11 | 83791985123 |
12 | 35ab2628000 |
13 | 175144a6460 |
14 | a6767b7560 |
15 | 595a1de526 |
hex | 3259a70000 |
216252481536 has 1088 divisors, whose sum is σ = 845565235200. Its totient is φ = 52999225344.
The previous prime is 216252481499. The next prime is 216252481541. The reversal of 216252481536 is 635184252612.
216252481536 is a `hidden beast` number, since 2 + 1 + 62 + 52 + 4 + 8 + 1 + 536 = 666.
It is a tau number, because it is divible by the number of its divisors (1088).
It is a junction number, because it is equal to n+sod(n) for n = 216252481491 and 216252481500.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2737373145 + ... + 2737373223.
Almost surely, 2216252481536 is an apocalyptic number.
216252481536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 216252481536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422782617600).
216252481536 is an abundant number, since it is smaller than the sum of its proper divisors (629312753664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216252481536 is an equidigital number, since it uses as much as digits as its factorization.
216252481536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157 (or 121 counting only the distinct ones).
The product of its digits is 691200, while the sum is 45.
The spelling of 216252481536 in words is "two hundred sixteen billion, two hundred fifty-two million, four hundred eighty-one thousand, five hundred thirty-six".
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