Base | Representation |
---|---|
bin | 1001000111011000101… |
… | …10101101010011010001 |
3 | 1002221102122201222200020 |
4 | 10203230112231103101 |
5 | 20112414433133014 |
6 | 355514455414053 |
7 | 31425314516064 |
oct | 4435426552321 |
9 | 1087378658606 |
10 | 313203021009 |
11 | 110912a3840a |
12 | 5084b084329 |
13 | 236c52a4988 |
14 | 112328388db |
15 | 82318651a9 |
hex | 48ec5ad4d1 |
313203021009 has 8 divisors (see below), whose sum is σ = 417622208640. Its totient is φ = 208792923696.
The previous prime is 313203020971. The next prime is 313203021073. The reversal of 313203021009 is 900120302313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 313203021009 - 213 = 313203012817 is a prime.
It is a super-2 number, since 2×3132030210092 (a number of 24 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 313203021009.
It is not an unprimeable number, because it can be changed into a prime (313203021809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191774 + ... + 2330295.
It is an arithmetic number, because the mean of its divisors is an integer number (52202776080).
Almost surely, 2313203021009 is an apocalyptic number.
It is an amenable number.
313203021009 is a deficient number, since it is larger than the sum of its proper divisors (104419187631).
313203021009 is a wasteful number, since it uses less digits than its factorization.
313203021009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4545159.
The product of its (nonzero) digits is 972, while the sum is 24.
The spelling of 313203021009 in words is "three hundred thirteen billion, two hundred three million, twenty-one thousand, nine".
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