Base | Representation |
---|---|
bin | 100000000011001001… |
… | …0110010110011110011 |
3 | 20120122112111122102220 |
4 | 1000012102302303303 |
5 | 2111423204113424 |
6 | 51341240012123 |
7 | 4654356262152 |
oct | 1000622626363 |
9 | 216575448386 |
10 | 68825066739 |
11 | 27208a57350 |
12 | 11409461043 |
13 | 664abbb880 |
14 | 348c96d599 |
15 | 1bcc3c7579 |
hex | 10064b2cf3 |
68825066739 has 16 divisors (see below), whose sum is σ = 107809895424. Its totient is φ = 38503533600.
The previous prime is 68825066719. The next prime is 68825066741. The reversal of 68825066739 is 93766052886.
It is a happy number.
It is not a de Polignac number, because 68825066739 - 25 = 68825066707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68825066719) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80215267 + ... + 80216124.
It is an arithmetic number, because the mean of its divisors is an integer number (6738118464).
Almost surely, 268825066739 is an apocalyptic number.
68825066739 is a deficient number, since it is larger than the sum of its proper divisors (38984828685).
68825066739 is a wasteful number, since it uses less digits than its factorization.
68825066739 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160431418.
The product of its (nonzero) digits is 26127360, while the sum is 60.
The spelling of 68825066739 in words is "sixty-eight billion, eight hundred twenty-five million, sixty-six thousand, seven hundred thirty-nine".
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