Base | Representation |
---|---|
bin | 10000101110011111… |
… | …11110111001111100 |
3 | 212011211110021200200 |
4 | 20113033332321330 |
5 | 121342340003010 |
6 | 4043024323500 |
7 | 435350513061 |
oct | 102717767174 |
9 | 25154407620 |
10 | 8980000380 |
11 | 3898a8121a |
12 | 18a7473590 |
13 | b0159a0c0 |
14 | 6128cac68 |
15 | 37857acc0 |
hex | 2173fee7c |
8980000380 has 144 divisors (see below), whose sum is σ = 29467925760. Its totient is φ = 2200421376.
The previous prime is 8980000333. The next prime is 8980000387. The reversal of 8980000380 is 830000898.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8980000387) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513216 + ... + 530424.
Almost surely, 28980000380 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 8980000380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14733962880).
8980000380 is an abundant number, since it is smaller than the sum of its proper divisors (20487925380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8980000380 is a wasteful number, since it uses less digits than its factorization.
8980000380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17460 (or 17455 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 8980000380 is about 94762.8639288619. The cubic root of 8980000380 is about 2078.5419067921.
The spelling of 8980000380 in words is "eight billion, nine hundred eighty million, three hundred eighty", and thus it is an aban number.
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