Base | Representation |
---|---|
bin | 10111100011011010… |
… | …10101111110011110 |
3 | 1012122021001011112102 |
4 | 23301231111332132 |
5 | 201344123131032 |
6 | 5450433005102 |
7 | 625233555431 |
oct | 136155257636 |
9 | 35567034472 |
10 | 12645130142 |
11 | 53a9934487 |
12 | 254a9b3792 |
13 | 1266a02038 |
14 | 87d591818 |
15 | 4e0205362 |
hex | 2f1b55f9e |
12645130142 has 8 divisors (see below), whose sum is σ = 19408804536. Its totient is φ = 6175528632.
The previous prime is 12645130109. The next prime is 12645130151. The reversal of 12645130142 is 24103154621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73518113 + ... + 73518284.
It is an arithmetic number, because the mean of its divisors is an integer number (2426100567).
Almost surely, 212645130142 is an apocalyptic number.
12645130142 is a deficient number, since it is larger than the sum of its proper divisors (6763674394).
12645130142 is a wasteful number, since it uses less digits than its factorization.
12645130142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147036442.
The product of its (nonzero) digits is 5760, while the sum is 29.
Adding to 12645130142 its reverse (24103154621), we get a palindrome (36748284763).
The spelling of 12645130142 in words is "twelve billion, six hundred forty-five million, one hundred thirty thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •