Base | Representation |
---|---|
bin | 111111011010100011… |
… | …000000101011000000 |
3 | 20111202101110022020012 |
4 | 333122203000223000 |
5 | 2103422311322240 |
6 | 51140341004052 |
7 | 4630234654526 |
oct | 773243005300 |
9 | 214671408205 |
10 | 68091120320 |
11 | 26971731563 |
12 | 112436b3628 |
13 | 6561b25152 |
14 | 341d2ba316 |
15 | 1b87c4bb65 |
hex | fda8c0ac0 |
68091120320 has 28 divisors (see below), whose sum is σ = 162141981024. Its totient is φ = 27236448000.
The previous prime is 68091120319. The next prime is 68091120337. The reversal of 68091120320 is 2302119086.
It is a Harshad number since it is a multiple of its sum of digits (32).
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, 106392056 + ... + 106392695.
Almost surely, 268091120320 is an apocalyptic number.
It is an amenable number.
68091120320 is an abundant number, since it is smaller than the sum of its proper divisors (94050860704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68091120320 is a wasteful number, since it uses less digits than its factorization.
68091120320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212784768 (or 212784758 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The spelling of 68091120320 in words is "sixty-eight billion, ninety-one million, one hundred twenty thousand, three hundred twenty".
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