Base | Representation |
---|---|
bin | 100000000001001000… |
… | …1001000000111010000 |
3 | 20120110211101221220020 |
4 | 1000002101020013100 |
5 | 2111303411131343 |
6 | 51330424143440 |
7 | 4652606166312 |
oct | 1000221100720 |
9 | 216424357806 |
10 | 68757520848 |
11 | 271839120a5 |
12 | 113aa907b80 |
13 | 6639bcc0a3 |
14 | 34839c97b2 |
15 | 1bc64d3b83 |
hex | 10024481d0 |
68757520848 has 40 divisors (see below), whose sum is σ = 178385957568. Its totient is φ = 22820804352.
The previous prime is 68757520759. The next prime is 68757520861. The reversal of 68757520848 is 84802575786.
It is a junction number, because it is equal to n+sod(n) for n = 68757520791 and 68757520800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062740 + ... + 3085107.
Almost surely, 268757520848 is an apocalyptic number.
It is an amenable number.
68757520848 is an abundant number, since it is smaller than the sum of its proper divisors (109628436720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68757520848 is a wasteful number, since it uses less digits than its factorization.
68757520848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6148091 (or 6148085 counting only the distinct ones).
The product of its (nonzero) digits is 30105600, while the sum is 60.
The spelling of 68757520848 in words is "sixty-eight billion, seven hundred fifty-seven million, five hundred twenty thousand, eight hundred forty-eight".
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