Base | Representation |
---|---|
bin | 10011010111110100010… |
… | …001110100001001101110 |
3 | 11201021011121221201120102 |
4 | 103113310101310021232 |
5 | 133302341230031410 |
6 | 2455321545551102 |
7 | 165115306353311 |
oct | 23276421641156 |
9 | 4637147851512 |
10 | 1331243205230 |
11 | 4736390a1764 |
12 | 1960067a5492 |
13 | 986c6c00423 |
14 | 4860ab6c978 |
15 | 24966c712a5 |
hex | 135f447426e |
1331243205230 has 16 divisors (see below), whose sum is σ = 2396251030320. Its totient is φ = 532494335232.
The previous prime is 1331243205203. The next prime is 1331243205251. The reversal of 1331243205230 is 325023421331.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1331243205193 and 1331243205202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967797 + ... + 3386783.
It is an arithmetic number, because the mean of its divisors is an integer number (149765689395).
Almost surely, 21331243205230 is an apocalyptic number.
1331243205230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1331243205230 is a deficient number, since it is larger than the sum of its proper divisors (1065007825090).
1331243205230 is a wasteful number, since it uses less digits than its factorization.
1331243205230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 736723.
The product of its (nonzero) digits is 12960, while the sum is 29.
Adding to 1331243205230 its reverse (325023421331), we get a palindrome (1656266626561).
The spelling of 1331243205230 in words is "one trillion, three hundred thirty-one billion, two hundred forty-three million, two hundred five thousand, two hundred thirty".
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