Base | Representation |
---|---|
bin | 101000110010110011… |
… | …1111111101010100000 |
3 | 22101010022000000111020 |
4 | 1101211213333222200 |
5 | 2413403202012440 |
6 | 104124520445440 |
7 | 6220626340230 |
oct | 1214547775240 |
9 | 271108000436 |
10 | 87604329120 |
11 | 341753a6100 |
12 | 14b8a619880 |
13 | 83516c0c49 |
14 | 4350a87cc0 |
15 | 242adad3d0 |
hex | 14659ffaa0 |
87604329120 has 576 divisors, whose sum is σ = 349192747008. Its totient is φ = 18070272000.
The previous prime is 87604329103. The next prime is 87604329133. The reversal of 87604329120 is 2192340678.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61389847 + ... + 61391273.
It is an arithmetic number, because the mean of its divisors is an integer number (606237408).
Almost surely, 287604329120 is an apocalyptic number.
87604329120 is a gapful number since it is divisible by the number (80) 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 87604329120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174596373504).
87604329120 is an abundant number, since it is smaller than the sum of its proper divisors (261588417888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87604329120 is a wasteful number, since it uses less digits than its factorization.
87604329120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1625 (or 1606 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
Adding to 87604329120 its reverse (2192340678), we get a palindrome (89796669798).
The spelling of 87604329120 in words is "eighty-seven billion, six hundred four million, three hundred twenty-nine thousand, one hundred twenty".
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