Base | Representation |
---|---|
bin | 101011010000011… |
… | …0011011110000000 |
3 | 10202011010210101001 |
4 | 1112200303132000 |
5 | 10433032040000 |
6 | 400005221344 |
7 | 50653015333 |
oct | 12640633600 |
9 | 3664123331 |
10 | 1451440000 |
11 | 68533339a |
12 | 346101854 |
13 | 1a191c44a |
14 | daaa261a |
15 | 8765646a |
hex | 56833780 |
1451440000 has 80 divisors (see below), whose sum is σ = 3613468320. Its totient is φ = 580544000.
The previous prime is 1451439989. The next prime is 1451440009. The reversal of 1451440000 is 441541.
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 1451440000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1451440009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70929 + ... + 89071.
It is an arithmetic number, because the mean of its divisors is an integer number (45168354).
Almost surely, 21451440000 is an apocalyptic number.
1451440000 is a gapful number since it is divisible by the number (10) 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 1451440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806734160).
1451440000 is an abundant number, since it is smaller than the sum of its proper divisors (2162028320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1451440000 is an frugal number, since it uses more digits than its factorization.
1451440000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18177 (or 18150 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 1451440000 is about 38097.7689635496. The cubic root of 1451440000 is about 1132.2257537740.
Adding to 1451440000 its reverse (441541), we get a palindrome (1451881541).
The spelling of 1451440000 in words is "one billion, four hundred fifty-one million, four hundred forty thousand".
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