Base | Representation |
---|---|
bin | 1001000101001001111… |
… | …10001100111000101010 |
3 | 1002211100012020021022110 |
4 | 10202210332030320222 |
5 | 20102441341230232 |
6 | 355155554503150 |
7 | 31353533156541 |
oct | 4424476147052 |
9 | 1084305207273 |
10 | 312005414442 |
11 | 110358a16917 |
12 | 50575b94ab6 |
13 | 2356413aa37 |
14 | 1115b76d158 |
15 | 81b164dacc |
hex | 48a4f8ce2a |
312005414442 has 8 divisors (see below), whose sum is σ = 624010828896. Its totient is φ = 104001804812.
The previous prime is 312005414387. The next prime is 312005414449. The reversal of 312005414442 is 244414500213.
It is a sphenic number, since it is the product of 3 distinct primes.
312005414442 is an admirable number.
It is a super-2 number, since 2×3120054144422 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (312005414449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26000451198 + ... + 26000451209.
It is an arithmetic number, because the mean of its divisors is an integer number (78001353612).
Almost surely, 2312005414442 is an apocalyptic number.
312005414442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312005414442 is a wasteful number, since it uses less digits than its factorization.
312005414442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52000902412.
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 312005414442 its reverse (244414500213), we get a palindrome (556419914655).
The spelling of 312005414442 in words is "three hundred twelve billion, five million, four hundred fourteen thousand, four hundred forty-two".
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