Base | Representation |
---|---|
bin | 1000000110001001… |
… | …1100000000101000 |
3 | 12121110102111100020 |
4 | 2001202130000220 |
5 | 13422330212423 |
6 | 555353040440 |
7 | 104566435020 |
oct | 20142340050 |
9 | 5543374306 |
10 | 2173288488 |
11 | a15845898 |
12 | 5079b6120 |
13 | 28833b427 |
14 | 1688c6a80 |
15 | cabe24e3 |
hex | 8189c028 |
2173288488 has 64 divisors (see below), whose sum is σ = 6213058560. Its totient is φ = 620573376.
The previous prime is 2173288477. The next prime is 2173288493. The reversal of 2173288488 is 8848823712.
It is a super-2 number, since 2×21732884882 = 9446365704146652288, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 2173288488.
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, 424681 + ... + 429767.
It is an arithmetic number, because the mean of its divisors is an integer number (97079040).
Almost surely, 22173288488 is an apocalyptic number.
2173288488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2173288488 is an abundant number, since it is smaller than the sum of its proper divisors (4039770072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2173288488 is a wasteful number, since it uses less digits than its factorization.
2173288488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7646 (or 7642 counting only the distinct ones).
The product of its digits is 1376256, while the sum is 51.
The square root of 2173288488 is about 46618.5423195535. The cubic root of 2173288488 is about 1295.3062464005.
The spelling of 2173288488 in words is "two billion, one hundred seventy-three million, two hundred eighty-eight thousand, four hundred eighty-eight".
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