Base | Representation |
---|---|
bin | 100110101111101… |
… | …1000100101101010 |
3 | 10100121022112121211 |
4 | 1031133120211222 |
5 | 10130304312220 |
6 | 333001023334 |
7 | 44134302511 |
oct | 11537304552 |
9 | 3317275554 |
10 | 1300072810 |
11 | 607947a43 |
12 | 303484b4a |
13 | 17946216a |
14 | c493d678 |
15 | 79206b5a |
hex | 4d7d896a |
1300072810 has 8 divisors (see below), whose sum is σ = 2340131076. Its totient is φ = 520029120.
The previous prime is 1300072801. The next prime is 1300072817. The reversal of 1300072810 is 182700031.
It can be written as a sum of positive squares in 2 ways, for example, as 1081949449 + 218123361 = 32893^2 + 14769^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×13000728102 = 3380378622602592200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1300072817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65003631 + ... + 65003650.
Almost surely, 21300072810 is an apocalyptic number.
1300072810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1300072810 is a deficient number, since it is larger than the sum of its proper divisors (1040058266).
1300072810 is a wasteful number, since it uses less digits than its factorization.
1300072810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130007288.
The product of its (nonzero) digits is 336, while the sum is 22.
The square root of 1300072810 is about 36056.5224335348. The cubic root of 1300072810 is about 1091.4132581463.
Adding to 1300072810 its reverse (182700031), we get a palindrome (1482772841).
The spelling of 1300072810 in words is "one billion, three hundred million, seventy-two thousand, eight hundred ten".
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