Base | Representation |
---|---|
bin | 111111101110111010… |
… | …111000000001101011 |
3 | 20112122012121120011220 |
4 | 333232322320001223 |
5 | 2110122311430213 |
6 | 51234310553123 |
7 | 4641555141201 |
oct | 775672700153 |
9 | 215565546156 |
10 | 68432920683 |
11 | 270276661a6 |
12 | 1131a0687a3 |
13 | 65b789a09a |
14 | 3452851071 |
15 | 1ba7c65e23 |
hex | feeeb806b |
68432920683 has 8 divisors (see below), whose sum is σ = 93185253888. Its totient is φ = 44651267304.
The previous prime is 68432920651. The next prime is 68432920687. The reversal of 68432920683 is 38602923486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68432920683 - 25 = 68432920651 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68432920687) 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, 242669791 + ... + 242670072.
It is an arithmetic number, because the mean of its divisors is an integer number (11648156736).
Almost surely, 268432920683 is an apocalyptic number.
68432920683 is a deficient number, since it is larger than the sum of its proper divisors (24752333205).
68432920683 is a wasteful number, since it uses less digits than its factorization.
68432920683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485339913.
The product of its (nonzero) digits is 2985984, while the sum is 51.
The spelling of 68432920683 in words is "sixty-eight billion, four hundred thirty-two million, nine hundred twenty thousand, six hundred eighty-three".
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