Base | Representation |
---|---|
bin | 111111011110111110… |
… | …001111110100001101 |
3 | 20111221120011112102001 |
4 | 333132332033310031 |
5 | 2104100313302401 |
6 | 51151552232301 |
7 | 4632126035344 |
oct | 773676176415 |
9 | 214846145361 |
10 | 68165369101 |
11 | 269aa634795 |
12 | 1126453b691 |
13 | 657432083b |
14 | 34290c6b5b |
15 | 1b8e516601 |
hex | fdef8fd0d |
68165369101 has 32 divisors (see below), whose sum is σ = 73894435200. Its totient is φ = 62741226240.
The previous prime is 68165369093. The next prime is 68165369117. The reversal of 68165369101 is 10196356186.
It is not a de Polignac number, because 68165369101 - 23 = 68165369093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68165369161) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20952991 + ... + 20956243.
It is an arithmetic number, because the mean of its divisors is an integer number (2309201100).
Almost surely, 268165369101 is an apocalyptic number.
It is an amenable number.
68165369101 is a deficient number, since it is larger than the sum of its proper divisors (5729066099).
68165369101 is a wasteful number, since it uses less digits than its factorization.
68165369101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3709.
The product of its (nonzero) digits is 233280, while the sum is 46.
The spelling of 68165369101 in words is "sixty-eight billion, one hundred sixty-five million, three hundred sixty-nine thousand, one hundred one".
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