Base | Representation |
---|---|
bin | 1001000010001101000… |
… | …11010101111101001101 |
3 | 1002200020210110200221202 |
4 | 10201012203111331031 |
5 | 20041220324043110 |
6 | 354334450035245 |
7 | 31266346434155 |
oct | 4410643257515 |
9 | 1080223420852 |
10 | 310421315405 |
11 | 10a715815863 |
12 | 501b3578b25 |
13 | 23370bb1726 |
14 | 1104b217765 |
15 | 811c5410a5 |
hex | 48468d5f4d |
310421315405 has 8 divisors (see below), whose sum is σ = 372508989432. Its totient is φ = 248334778368.
The previous prime is 310421315363. The next prime is 310421315419. The reversal of 310421315405 is 504513124013.
It can be written as a sum of positive squares in 4 ways, for example, as 183185712004 + 127235603401 = 428002^2 + 356701^2 .
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 310421315405 - 210 = 310421314381 is a prime.
It is a super-2 number, since 2×3104213154052 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 526769 + ... + 947801.
It is an arithmetic number, because the mean of its divisors is an integer number (46563623679).
Almost surely, 2310421315405 is an apocalyptic number.
It is an amenable number.
310421315405 is a deficient number, since it is larger than the sum of its proper divisors (62087674027).
310421315405 is a wasteful number, since it uses less digits than its factorization.
310421315405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568495.
The product of its (nonzero) digits is 7200, while the sum is 29.
Adding to 310421315405 its reverse (504513124013), we get a palindrome (814934439418).
The spelling of 310421315405 in words is "three hundred ten billion, four hundred twenty-one million, three hundred fifteen thousand, four hundred five".
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