Base | Representation |
---|---|
bin | 1111110011110110… |
… | …00010010100100000 |
3 | 210220112121120000020 |
4 | 13321323002110200 |
5 | 114340410020310 |
6 | 3522130353440 |
7 | 420224361312 |
oct | 77173022440 |
9 | 23815546006 |
10 | 8487970080 |
11 | 3666268607 |
12 | 178a72b880 |
13 | a53675705 |
14 | 5a740b7b2 |
15 | 34a289170 |
hex | 1f9ec2520 |
8487970080 has 96 divisors (see below), whose sum is σ = 26761710528. Its totient is φ = 2261376000.
The previous prime is 8487970037. The next prime is 8487970147. The reversal of 8487970080 is 800797848.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554530 + ... + 569630.
It is an arithmetic number, because the mean of its divisors is an integer number (278767818).
Almost surely, 28487970080 is an apocalyptic number.
8487970080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8487970080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13380855264).
8487970080 is an abundant number, since it is smaller than the sum of its proper divisors (18273740448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8487970080 is a wasteful number, since it uses less digits than its factorization.
8487970080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16290 (or 16282 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 51.
The square root of 8487970080 is about 92130.1800714619. The cubic root of 8487970080 is about 2039.8643123900.
The spelling of 8487970080 in words is "eight billion, four hundred eighty-seven million, nine hundred seventy thousand, eighty".
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