Base | Representation |
---|---|
bin | 10000101101101011… |
… | …11101110001110100 |
3 | 212011100121202220202 |
4 | 20112311331301310 |
5 | 121334113230040 |
6 | 4042222220032 |
7 | 435235525460 |
oct | 102665756164 |
9 | 25140552822 |
10 | 8973180020 |
11 | 3895142a62 |
12 | 18a5124618 |
13 | b0004c89c |
14 | 611a334a0 |
15 | 377b80015 |
hex | 216d7dc74 |
8973180020 has 96 divisors (see below), whose sum is σ = 22562856960. Its totient is φ = 2932744320.
The previous prime is 8973180011. The next prime is 8973180037. The reversal of 8973180020 is 200813798.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 275351 + ... + 306209.
It is an arithmetic number, because the mean of its divisors is an integer number (235029760).
Almost surely, 28973180020 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 8973180020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11281428480).
8973180020 is an abundant number, since it is smaller than the sum of its proper divisors (13589676940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8973180020 is a wasteful number, since it uses less digits than its factorization.
8973180020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30973 (or 30971 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 8973180020 is about 94726.8706334164. The cubic root of 8973180020 is about 2078.0155521517.
The spelling of 8973180020 in words is "eight billion, nine hundred seventy-three million, one hundred eighty thousand, twenty".
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