Base | Representation |
---|---|
bin | 11000001010110111… |
… | …00011111000110000 |
3 | 1020111022122202021110 |
4 | 30011123203320300 |
5 | 203033324402343 |
6 | 5543332553320 |
7 | 636362201151 |
oct | 140533437060 |
9 | 36438582243 |
10 | 12976012848 |
11 | 5559691567 |
12 | 2621782840 |
13 | 12ba423816 |
14 | 8b14c3928 |
15 | 50e2b4833 |
hex | 3056e3e30 |
12976012848 has 20 divisors (see below), whose sum is σ = 33521366648. Its totient is φ = 4325337600.
The previous prime is 12976012837. The next prime is 12976012849. The reversal of 12976012848 is 84821067921.
It is a happy number.
It is a super-2 number, since 2×129760128482 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 270333601 = 12976012848 / (1 + 2 + 9 + 7 + 6 + 0 + 1 + 2 + 8 + 4 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 12976012797 and 12976012806.
It is not an unprimeable number, because it can be changed into a prime (12976012849) 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, 135166753 + ... + 135166848.
Almost surely, 212976012848 is an apocalyptic number.
It is an amenable number.
12976012848 is an abundant number, since it is smaller than the sum of its proper divisors (20545353800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12976012848 is a wasteful number, since it uses less digits than its factorization.
12976012848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270333612 (or 270333606 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 48.
The spelling of 12976012848 in words is "twelve billion, nine hundred seventy-six million, twelve thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •