Base | Representation |
---|---|
bin | 100000000000100101… |
… | …1001101010011000000 |
3 | 20120102112220202110000 |
4 | 1000001023031103000 |
5 | 2111234213121000 |
6 | 51324531240000 |
7 | 4652264330403 |
oct | 1000113152300 |
9 | 216375822400 |
10 | 68739192000 |
11 | 27174533396 |
12 | 113a4749000 |
13 | 663618250b |
14 | 34813b7d3a |
15 | 1bc4ab3000 |
hex | 10012cd4c0 |
68739192000 has 1120 divisors, whose sum is σ = 271100434176. Its totient is φ = 17169408000.
The previous prime is 68739191993. The next prime is 68739192077. The reversal of 68739192000 is 29193786.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1126871970 + ... + 1126872030.
Almost surely, 268739192000 is an apocalyptic number.
68739192000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68739192000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135550217088).
68739192000 is an abundant number, since it is smaller than the sum of its proper divisors (202361242176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68739192000 is a wasteful number, since it uses less digits than its factorization.
68739192000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184 (or 155 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The spelling of 68739192000 in words is "sixty-eight billion, seven hundred thirty-nine million, one hundred ninety-two thousand".
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