Base | Representation |
---|---|
bin | 101000100100001001… |
… | …1100011101111000000 |
3 | 22022212000102002021201 |
4 | 1101020103203233000 |
5 | 2411401240320301 |
6 | 104004025430544 |
7 | 6202504313431 |
oct | 1211023435700 |
9 | 268760362251 |
10 | 87112432576 |
11 | 33a42773a34 |
12 | 14a7193b454 |
13 | 82a38153c0 |
14 | 4305601488 |
15 | 23ecae6201 |
hex | 14484e3bc0 |
87112432576 has 56 divisors (see below), whose sum is σ = 186694978400. Its totient is φ = 40090401792.
The previous prime is 87112432543. The next prime is 87112432609. The reversal of 87112432576 is 67523421178.
It is an interprime number because it is at equal distance from previous prime (87112432543) and next prime (87112432609).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140365 + ... + 440371.
It is an arithmetic number, because the mean of its divisors is an integer number (3333838900).
Almost surely, 287112432576 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 87112432576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93347489200).
87112432576 is an abundant number, since it is smaller than the sum of its proper divisors (99582545824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87112432576 is a wasteful number, since it uses less digits than its factorization.
87112432576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300381 (or 300371 counting only the distinct ones).
The product of its digits is 564480, while the sum is 46.
The spelling of 87112432576 in words is "eighty-seven billion, one hundred twelve million, four hundred thirty-two thousand, five hundred seventy-six".
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