Base | Representation |
---|---|
bin | 111001011010111101… |
… | …0111100101000111001 |
3 | 102210021202210122222011 |
4 | 1302311322330220321 |
5 | 4010020132304423 |
6 | 132352015125521 |
7 | 11623524005644 |
oct | 1626572745071 |
9 | 383252718864 |
10 | 123311213113 |
11 | 48328a68590 |
12 | 1ba948138a1 |
13 | b8221c447a |
14 | 5d7b000a5b |
15 | 331aa20b0d |
hex | 1cb5ebca39 |
123311213113 has 8 divisors (see below), whose sum is σ = 139159990080. Its totient is φ = 108235547280.
The previous prime is 123311213087. The next prime is 123311213147. The reversal of 123311213113 is 311312113321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123311213113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123311213213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193277445 + ... + 193278082.
It is an arithmetic number, because the mean of its divisors is an integer number (17394998760).
Almost surely, 2123311213113 is an apocalyptic number.
It is an amenable number.
123311213113 is a deficient number, since it is larger than the sum of its proper divisors (15848776967).
123311213113 is a wasteful number, since it uses less digits than its factorization.
123311213113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386555567.
The product of its digits is 324, while the sum is 22.
Adding to 123311213113 its reverse (311312113321), we get a palindrome (434623326434).
The spelling of 123311213113 in words is "one hundred twenty-three billion, three hundred eleven million, two hundred thirteen thousand, one hundred thirteen".
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