Base | Representation |
---|---|
bin | 101000101111111001… |
… | …1001110010101011100 |
3 | 22100212111010100101001 |
4 | 1101133303032111130 |
5 | 2413203143001000 |
6 | 104111110200044 |
7 | 6215331623332 |
oct | 1213763162534 |
9 | 270774110331 |
10 | 87506609500 |
11 | 34125221992 |
12 | 14b61953024 |
13 | 833739839b |
14 | 4341acbb52 |
15 | 242250946a |
hex | 145fcce55c |
87506609500 has 96 divisors (see below), whose sum is σ = 198647991360. Its totient is φ = 33645715200.
The previous prime is 87506609483. The next prime is 87506609501. The reversal of 87506609500 is 590660578.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87506609501) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1507006 + ... + 1563994.
It is an arithmetic number, because the mean of its divisors is an integer number (2069249910).
Almost surely, 287506609500 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87506609500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99323995680).
87506609500 is an abundant number, since it is smaller than the sum of its proper divisors (111141381860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87506609500 is a wasteful number, since it uses less digits than its factorization.
87506609500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57128 (or 57116 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 46.
The spelling of 87506609500 in words is "eighty-seven billion, five hundred six million, six hundred nine thousand, five hundred".
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