Base | Representation |
---|---|
bin | 10010101010001… |
… | …011000010000011 |
3 | 210211001100011211 |
4 | 102222023002003 |
5 | 1120114420443 |
6 | 51021350551 |
7 | 10520560666 |
oct | 2252130203 |
9 | 724040154 |
10 | 313045123 |
11 | 150784486 |
12 | 88a08457 |
13 | 4cb17701 |
14 | 2d80b6dd |
15 | 1c73919d |
hex | 12a8b083 |
313045123 has 12 divisors (see below), whose sum is σ = 340685352. Its totient is φ = 286646400.
The previous prime is 313045087. The next prime is 313045151. The reversal of 313045123 is 321540313.
It is a de Polignac number, because none of the positive numbers 2k-313045123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313045094 and 313045103.
It is not an unprimeable number, because it can be changed into a prime (313045153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16548 + ... + 29998.
It is an arithmetic number, because the mean of its divisors is an integer number (28390446).
Almost surely, 2313045123 is an apocalyptic number.
313045123 is a deficient number, since it is larger than the sum of its proper divisors (27640229).
313045123 is a wasteful number, since it uses less digits than its factorization.
313045123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13542 (or 13505 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 313045123 is about 17693.0812183746. The cubic root of 313045123 is about 678.9987593272.
Adding to 313045123 its reverse (321540313), we get a palindrome (634585436).
The spelling of 313045123 in words is "three hundred thirteen million, forty-five thousand, one hundred twenty-three".
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