Base | Representation |
---|---|
bin | 101000101111001111… |
… | …1111110000101101000 |
3 | 22100210222001112210020 |
4 | 1101132133332011220 |
5 | 2413132101110000 |
6 | 104105010320440 |
7 | 6214645255134 |
oct | 1213637760550 |
9 | 270728045706 |
10 | 87484785000 |
11 | 34113975908 |
12 | 14b56589120 |
13 | 83329c6692 |
14 | 433cc4a3c4 |
15 | 2420647ba0 |
hex | 145e7fe168 |
87484785000 has 160 divisors (see below), whose sum is σ = 276124611840. Its totient is φ = 23088384000.
The previous prime is 87484784993. The next prime is 87484785007. The reversal of 87484785000 is 58748478.
It is an interprime number because it is at equal distance from previous prime (87484784993) and next prime (87484785007).
It is not an unprimeable number, because it can be changed into a prime (87484785007) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1424937 + ... + 1485063.
It is an arithmetic number, because the mean of its divisors is an integer number (1725778824).
Almost surely, 287484785000 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 87484785000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138062305920).
87484785000 is an abundant number, since it is smaller than the sum of its proper divisors (188639826840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87484785000 is a wasteful number, since it uses less digits than its factorization.
87484785000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60253 (or 60234 counting only the distinct ones).
The product of its (nonzero) digits is 2007040, while the sum is 51.
The spelling of 87484785000 in words is "eighty-seven billion, four hundred eighty-four million, seven hundred eighty-five thousand".
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