Base | Representation |
---|---|
bin | 101011001111111… |
… | …1100100111100010 |
3 | 10202010201101011221 |
4 | 1112133330213202 |
5 | 10433002342310 |
6 | 400000325254 |
7 | 50651061325 |
oct | 12637744742 |
9 | 3663641157 |
10 | 1451215330 |
11 | 68519a614 |
12 | 34601382a |
13 | 1a18710c6 |
14 | daa447bc |
15 | 8760eada |
hex | 567fc9e2 |
1451215330 has 32 divisors (see below), whose sum is σ = 2660014080. Its totient is φ = 569884800.
The previous prime is 1451215321. The next prime is 1451215331. The reversal of 1451215330 is 335121541.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1451215295 and 1451215304.
It is not an unprimeable number, because it can be changed into a prime (1451215331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678022 + ... + 680158.
It is an arithmetic number, because the mean of its divisors is an integer number (83125440).
Almost surely, 21451215330 is an apocalyptic number.
1451215330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1451215330 is a deficient number, since it is larger than the sum of its proper divisors (1208798750).
1451215330 is a wasteful number, since it uses less digits than its factorization.
1451215330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3354.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 1451215330 is about 38094.8202515775. The cubic root of 1451215330 is about 1132.1673312680.
Adding to 1451215330 its reverse (335121541), we get a palindrome (1786336871).
The spelling of 1451215330 in words is "one billion, four hundred fifty-one million, two hundred fifteen thousand, three hundred thirty".
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