Base | Representation |
---|---|
bin | 10011100100000110010… |
… | …010010000100100101100 |
3 | 11202112012122122011001011 |
4 | 103210012102100210230 |
5 | 134011343113312140 |
6 | 2505342301155004 |
7 | 166063143155320 |
oct | 23440622204454 |
9 | 4675178564034 |
10 | 1344430213420 |
11 | 479195896138 |
12 | 198686b5ba64 |
13 | 99a18c5ab58 |
14 | 490dc297980 |
15 | 24e89812cea |
hex | 1390649092c |
1344430213420 has 72 divisors (see below), whose sum is σ = 3373020562464. Its totient is φ = 440906281728.
The previous prime is 1344430213411. The next prime is 1344430213507. The reversal of 1344430213420 is 243120344431.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9002569 + ... + 9150688.
It is an arithmetic number, because the mean of its divisors is an integer number (46847507812).
Almost surely, 21344430213420 is an apocalyptic number.
1344430213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1344430213420 is an abundant number, since it is smaller than the sum of its proper divisors (2028590349044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1344430213420 is a wasteful number, since it uses less digits than its factorization.
1344430213420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18153319 (or 18153294 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 31.
Adding to 1344430213420 its reverse (243120344431), we get a palindrome (1587550557851).
The spelling of 1344430213420 in words is "one trillion, three hundred forty-four billion, four hundred thirty million, two hundred thirteen thousand, four hundred twenty".
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