Base | Representation |
---|---|
bin | 111111011011011000… |
… | …101001111000101010 |
3 | 20111210100220202021101 |
4 | 333123120221320222 |
5 | 2103434411322022 |
6 | 51142002232014 |
7 | 4630465334101 |
oct | 773330517052 |
9 | 214710822241 |
10 | 68105182762 |
11 | 26979666911 |
12 | 1124835560a |
13 | 6564a09b16 |
14 | 34210db038 |
15 | 1b890c8627 |
hex | fdb629e2a |
68105182762 has 12 divisors (see below), whose sum is σ = 105683540130. Its totient is φ = 32877404616.
The previous prime is 68105182753. The next prime is 68105182763. The reversal of 68105182762 is 26728150186.
It can be written as a sum of positive squares in only one way, i.e., 57537137161 + 10568045601 = 239869^2 + 102801^2 .
It is not an unprimeable number, because it can be changed into a prime (68105182763) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1970353 + ... + 2004619.
Almost surely, 268105182762 is an apocalyptic number.
68105182762 is a deficient number, since it is larger than the sum of its proper divisors (37578357368).
68105182762 is an frugal number, since it uses more digits than its factorization.
68105182762 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68565 (or 34298 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 46.
The spelling of 68105182762 in words is "sixty-eight billion, one hundred five million, one hundred eighty-two thousand, seven hundred sixty-two".
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