Base | Representation |
---|---|
bin | 111111011001011000… |
… | …000011100010010000 |
3 | 20111201000111000202210 |
4 | 333121120003202100 |
5 | 2103402244034443 |
6 | 51134355512120 |
7 | 4626605646564 |
oct | 773130034220 |
9 | 214630430683 |
10 | 68071471248 |
11 | 26961630960 |
12 | 11238bb8640 |
13 | 655aa35691 |
14 | 341a8436a4 |
15 | 1b86169c33 |
hex | fd9603890 |
68071471248 has 80 divisors (see below), whose sum is σ = 198452923200. Its totient is φ = 19916413440.
The previous prime is 68071471231. The next prime is 68071471291. The reversal of 68071471248 is 84217417086.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 68071471197 and 68071471206.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207503 + ... + 2238126.
It is an arithmetic number, because the mean of its divisors is an integer number (2480661540).
Almost surely, 268071471248 is an apocalyptic number.
It is an amenable number.
68071471248 is an abundant number, since it is smaller than the sum of its proper divisors (130381451952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68071471248 is a wasteful number, since it uses less digits than its factorization.
68071471248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4445680 (or 4445674 counting only the distinct ones).
The product of its (nonzero) digits is 602112, while the sum is 48.
The spelling of 68071471248 in words is "sixty-eight billion, seventy-one million, four hundred seventy-one thousand, two hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •