Base | Representation |
---|---|
bin | 10011000101010010001… |
… | …001011001110111010110 |
3 | 11122100210202121211212000 |
4 | 103011102021121313112 |
5 | 132441112331102410 |
6 | 2442231152140130 |
7 | 163512210322206 |
oct | 23052211316726 |
9 | 4570722554760 |
10 | 1311343222230 |
11 | 466157075a18 |
12 | 192192237646 |
13 | 96875173c62 |
14 | 4767dc80406 |
15 | 2419ebaedc0 |
hex | 13152259dd6 |
1311343222230 has 64 divisors (see below), whose sum is σ = 3582205905600. Its totient is φ = 341162461440.
The previous prime is 1311343222201. The next prime is 1311343222237. The reversal of 1311343222230 is 322223431131.
1311343222230 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 3 + 432 + 2 + 223 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1311343222194 and 1311343222203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311343222237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59218525 + ... + 59240664.
It is an arithmetic number, because the mean of its divisors is an integer number (55971967275).
Almost surely, 21311343222230 is an apocalyptic number.
1311343222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1311343222230 is an abundant number, since it is smaller than the sum of its proper divisors (2270862683370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311343222230 is a wasteful number, since it uses less digits than its factorization.
1311343222230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118459246 (or 118459240 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 1311343222230 its reverse (322223431131), we get a palindrome (1633566653361).
The spelling of 1311343222230 in words is "one trillion, three hundred eleven billion, three hundred forty-three million, two hundred twenty-two thousand, two hundred thirty".
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