Base | Representation |
---|---|
bin | 1001000101111011100… |
… | …11110110100100100101 |
3 | 1002212102020100201100021 |
4 | 10202331303312210211 |
5 | 20104320031211010 |
6 | 355305202315141 |
7 | 31400053206544 |
oct | 4427563664445 |
9 | 1085366321307 |
10 | 312422132005 |
11 | 11055216a9a5 |
12 | 50671658ab1 |
13 | 235cc583689 |
14 | 1119ac4615b |
15 | 81d80158da |
hex | 48bdcf6925 |
312422132005 has 8 divisors (see below), whose sum is σ = 374947026552. Its totient is φ = 249910726848.
The previous prime is 312422132003. The next prime is 312422132039. The reversal of 312422132005 is 500231224213.
It can be written as a sum of positive squares in 4 ways, for example, as 141930767169 + 170491364836 = 376737^2 + 412906^2 .
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 312422132005 - 21 = 312422132003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312422132003) 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, 3321322 + ... + 3414091.
It is an arithmetic number, because the mean of its divisors is an integer number (46868378319).
Almost surely, 2312422132005 is an apocalyptic number.
It is an amenable number.
312422132005 is a deficient number, since it is larger than the sum of its proper divisors (62524894547).
312422132005 is an equidigital number, since it uses as much as digits as its factorization.
312422132005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6744695.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 312422132005 its reverse (500231224213), we get a palindrome (812653356218).
The spelling of 312422132005 in words is "three hundred twelve billion, four hundred twenty-two million, one hundred thirty-two thousand, five".
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