Base | Representation |
---|---|
bin | 10010100010110… |
… | …001001001111011 |
3 | 210200101201121221 |
4 | 102202301021323 |
5 | 1114120312443 |
6 | 50512012511 |
7 | 10465225051 |
oct | 2242611173 |
9 | 720351557 |
10 | 311104123 |
11 | 14a679150 |
12 | 88231137 |
13 | 4c5b80a5 |
14 | 2d4641d1 |
15 | 1c4a3eed |
hex | 128b127b |
311104123 has 8 divisors (see below), whose sum is σ = 342886320. Its totient is φ = 279905280.
The previous prime is 311104111. The next prime is 311104193. The reversal of 311104123 is 321401113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 311104123 - 25 = 311104091 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 311104097 and 311104106.
It is not an unprimeable number, because it can be changed into a prime (311104193) 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, 144718 + ... + 146851.
It is an arithmetic number, because the mean of its divisors is an integer number (42860790).
Almost surely, 2311104123 is an apocalyptic number.
311104123 is a deficient number, since it is larger than the sum of its proper divisors (31782197).
311104123 is a wasteful number, since it uses less digits than its factorization.
311104123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291677.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 311104123 is about 17638.1439783215. The cubic root of 311104123 is about 677.5924978214.
Adding to 311104123 its reverse (321401113), we get a palindrome (632505236).
The spelling of 311104123 in words is "three hundred eleven million, one hundred four thousand, one hundred twenty-three".
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