Base | Representation |
---|---|
bin | 111111010101100011… |
… | …111001110001110100 |
3 | 20111112120001100000121 |
4 | 333111203321301310 |
5 | 2103234402440043 |
6 | 51124152021324 |
7 | 4625200640614 |
oct | 772543716164 |
9 | 214476040017 |
10 | 68007468148 |
11 | 26929496434 |
12 | 1121b691844 |
13 | 654a6b6619 |
14 | 3412142a44 |
15 | 1b80725ded |
hex | fd58f9c74 |
68007468148 has 6 divisors (see below), whose sum is σ = 119013069266. Its totient is φ = 34003734072.
The previous prime is 68007468077. The next prime is 68007468163. The reversal of 68007468148 is 84186470086.
It can be written as a sum of positive squares in only one way, i.e., 40841176464 + 27166291684 = 202092^2 + 164822^2 .
It is a junction number, because it is equal to n+sod(n) for n = 68007468095 and 68007468104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8500933515 + ... + 8500933522.
Almost surely, 268007468148 is an apocalyptic number.
It is an amenable number.
68007468148 is a deficient number, since it is larger than the sum of its proper divisors (51005601118).
68007468148 is a wasteful number, since it uses less digits than its factorization.
68007468148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17001867041 (or 17001867039 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 52.
The spelling of 68007468148 in words is "sixty-eight billion, seven million, four hundred sixty-eight thousand, one hundred forty-eight".
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