Base | Representation |
---|---|
bin | 101000111011100110… |
… | …0110110101110000100 |
3 | 22101212211212020110000 |
4 | 1101313030312232010 |
5 | 2420004144020414 |
6 | 104214053001300 |
7 | 6231136624200 |
oct | 1216714665604 |
9 | 271784766400 |
10 | 87899204484 |
11 | 3430689a353 |
12 | 15051323230 |
13 | 839a816300 |
14 | 437bcc5b00 |
15 | 2446c08b09 |
hex | 1477336b84 |
87899204484 has 405 divisors, whose sum is σ = 291053282751. Its totient is φ = 23054129280.
The previous prime is 87899204467. The next prime is 87899204513. The reversal of 87899204484 is 48440299878.
The square root of 87899204484 is 296478.
It is a perfect power (a square), and thus also a powerful number.
87899204484 is a `hidden beast` number, since 87 + 8 + 99 + 20 + 448 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 67698836100 + 20200368384 = 260190^2 + 142128^2 .
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 485630874 + ... + 485631054.
Almost surely, 287899204484 is an apocalyptic number.
87899204484 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
87899204484 is the 296478-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87899204484
87899204484 is an abundant number, since it is smaller than the sum of its proper divisors (203154078267).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87899204484 is a wasteful number, since it uses less digits than its factorization.
87899204484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418 (or 206 counting only the distinct ones).
The product of its (nonzero) digits is 37158912, while the sum is 63.
The spelling of 87899204484 in words is "eighty-seven billion, eight hundred ninety-nine million, two hundred four thousand, four hundred eighty-four".
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