Base | Representation |
---|---|
bin | 1000000000001100… |
… | …1110101010100000 |
3 | 12112201110110221010 |
4 | 2000003032222200 |
5 | 13344433031034 |
6 | 553102100520 |
7 | 104144335122 |
oct | 20003165240 |
9 | 5481413833 |
10 | 2148330144 |
11 | a02749264 |
12 | 4bb57a740 |
13 | 28311018c |
14 | 16546b212 |
15 | c89123e9 |
hex | 800ceaa0 |
2148330144 has 48 divisors (see below), whose sum is σ = 5759365248. Its totient is φ = 700872192.
The previous prime is 2148330071. The next prime is 2148330199. The reversal of 2148330144 is 4410338412.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233557 + ... + 242580.
It is an arithmetic number, because the mean of its divisors is an integer number (119986776).
Almost surely, 22148330144 is an apocalyptic number.
2148330144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2148330144 is an abundant number, since it is smaller than the sum of its proper divisors (3611035104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2148330144 is a wasteful number, since it uses less digits than its factorization.
2148330144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476197 (or 476189 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 2148330144 is about 46350.0824594736. The cubic root of 2148330144 is about 1290.3286513149.
Adding to 2148330144 its reverse (4410338412), we get a palindrome (6558668556).
The spelling of 2148330144 in words is "two billion, one hundred forty-eight million, three hundred thirty thousand, one hundred forty-four".
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