Base | Representation |
---|---|
bin | 111111010110011101… |
… | …110100100011110001 |
3 | 20111120121121201010221 |
4 | 333112131310203301 |
5 | 2103302244313441 |
6 | 51125453253041 |
7 | 4625443665055 |
oct | 772635644361 |
9 | 214517551127 |
10 | 68022651121 |
11 | 26937016647 |
12 | 11224794181 |
13 | 65508a1329 |
14 | 3414175c65 |
15 | 1b81c248d1 |
hex | fd67748f1 |
68022651121 has 8 divisors (see below), whose sum is σ = 68294793600. Its totient is φ = 67750651920.
The previous prime is 68022651119. The next prime is 68022651131. The reversal of 68022651121 is 12115622086.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68022651121 - 21 = 68022651119 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68022651131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971976 + ... + 1039606.
It is an arithmetic number, because the mean of its divisors is an integer number (8536849200).
Almost surely, 268022651121 is an apocalyptic number.
It is an amenable number.
68022651121 is a deficient number, since it is larger than the sum of its proper divisors (272142479).
68022651121 is a wasteful number, since it uses less digits than its factorization.
68022651121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71639.
The product of its (nonzero) digits is 11520, while the sum is 34.
The spelling of 68022651121 in words is "sixty-eight billion, twenty-two million, six hundred fifty-one thousand, one hundred twenty-one".
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