Base | Representation |
---|---|
bin | 101000101111110110… |
… | …0000101110000010000 |
3 | 22100212100121100000000 |
4 | 1101133230011300100 |
5 | 2413202203124334 |
6 | 104111002130000 |
7 | 6215310004101 |
oct | 1213754056020 |
9 | 270770540000 |
10 | 87504739344 |
11 | 34124164900 |
12 | 14b611b0900 |
13 | 8336b92099 |
14 | 43417623a8 |
15 | 242228a299 |
hex | 145fb05c10 |
87504739344 has 405 divisors, whose sum is σ = 282925591039. Its totient is φ = 26197110720.
The previous prime is 87504739339. The next prime is 87504739351. The reversal of 87504739344 is 44393740578.
The square root of 87504739344 is 295812.
It is a perfect power (a square), and thus also a powerful number.
87504739344 is a `hidden beast` number, since 8 + 7 + 504 + 7 + 3 + 93 + 44 = 666.
It is a super-2 number, since 2×875047393442 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1054273927 + ... + 1054274009.
Almost surely, 287504739344 is an apocalyptic number.
87504739344 is the 295812-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87504739344
87504739344 is an abundant number, since it is smaller than the sum of its proper divisors (195420851695).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87504739344 is an frugal number, since it uses more digits than its factorization.
87504739344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220 (or 99 counting only the distinct ones).
The product of its (nonzero) digits is 10160640, while the sum is 54.
The spelling of 87504739344 in words is "eighty-seven billion, five hundred four million, seven hundred thirty-nine thousand, three hundred forty-four".
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