Base | Representation |
---|---|
bin | 10110010111001001… |
… | …01000011110010010 |
3 | 1010222200010001121002 |
4 | 23023210220132102 |
5 | 144041324444102 |
6 | 5303135302002 |
7 | 603334320536 |
oct | 131344503622 |
9 | 33880101532 |
10 | 12005312402 |
11 | 510075a996 |
12 | 23b067a902 |
13 | 11942a4865 |
14 | 81c601bc6 |
15 | 4a3e6e902 |
hex | 2cb928792 |
12005312402 has 8 divisors (see below), whose sum is σ = 18588870912. Its totient is φ = 5809022100.
The previous prime is 12005312401. The next prime is 12005312419. The reversal of 12005312402 is 20421350021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12005312401) 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, 96816974 + ... + 96817097.
It is an arithmetic number, because the mean of its divisors is an integer number (2323608864).
Almost surely, 212005312402 is an apocalyptic number.
12005312402 is a deficient number, since it is larger than the sum of its proper divisors (6583558510).
12005312402 is a wasteful number, since it uses less digits than its factorization.
12005312402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193634104.
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 12005312402 its reverse (20421350021), we get a palindrome (32426662423).
The spelling of 12005312402 in words is "twelve billion, five million, three hundred twelve thousand, four hundred two".
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