Base | Representation |
---|---|
bin | 10001111010110001000… |
… | …000011000010000011001 |
3 | 11100201021112012221001100 |
4 | 101322301000120100121 |
5 | 130133231030010431 |
6 | 2341355413542013 |
7 | 154650340654110 |
oct | 21726100302031 |
9 | 4321245187040 |
10 | 1231330313241 |
11 | 435227952156 |
12 | 17a782044909 |
13 | 8c16346c4b2 |
14 | 4384d504c77 |
15 | 2206a4e14e6 |
hex | 11eb1018419 |
1231330313241 has 48 divisors (see below), whose sum is σ = 2078117443584. Its totient is φ = 687917986272.
The previous prime is 1231330313119. The next prime is 1231330313287. The reversal of 1231330313241 is 1423130331321.
1231330313241 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 330 + 3 + 1 + 324 + 1 = 666.
It is not a de Polignac number, because 1231330313241 - 210 = 1231330312217 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1231330113241) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2584506 + ... + 3023628.
It is an arithmetic number, because the mean of its divisors is an integer number (43294113408).
Almost surely, 21231330313241 is an apocalyptic number.
It is an amenable number.
1231330313241 is a deficient number, since it is larger than the sum of its proper divisors (846787130343).
1231330313241 is a wasteful number, since it uses less digits than its factorization.
1231330313241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440130 (or 440127 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 1231330313241 its reverse (1423130331321), we get a palindrome (2654460644562).
The spelling of 1231330313241 in words is "one trillion, two hundred thirty-one billion, three hundred thirty million, three hundred thirteen thousand, two hundred forty-one".
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