Base | Representation |
---|---|
bin | 100011110001001… |
… | …1100110110110110 |
3 | 10002122102011022021 |
4 | 1013202130312312 |
5 | 4424223312210 |
6 | 315032423354 |
7 | 41512434343 |
oct | 10742346666 |
9 | 3078364267 |
10 | 1200213430 |
11 | 566542129 |
12 | 295b47b5a |
13 | 16186a680 |
14 | b55877ca |
15 | 7057dbda |
hex | 4789cdb6 |
1200213430 has 128 divisors (see below), whose sum is σ = 2598583680. Its totient is φ = 394813440.
The previous prime is 1200213407. The next prime is 1200213473. The reversal of 1200213430 is 343120021.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 3909337 + ... + 3909643.
It is an arithmetic number, because the mean of its divisors is an integer number (20301435).
Almost surely, 21200213430 is an apocalyptic number.
1200213430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1200213430 is an abundant number, since it is smaller than the sum of its proper divisors (1398370250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200213430 is a wasteful number, since it uses less digits than its factorization.
1200213430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1200213430 is about 34644.0966111111. The cubic root of 1200213430 is about 1062.7215663419.
Adding to 1200213430 its reverse (343120021), we get a palindrome (1543333451).
The spelling of 1200213430 in words is "one billion, two hundred million, two hundred thirteen thousand, four hundred thirty".
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