Base | Representation |
---|---|
bin | 111111110001100001… |
… | …000100100111010110 |
3 | 20112202020121000111210 |
4 | 333301201010213112 |
5 | 2110214440110100 |
6 | 51242504442250 |
7 | 4642624355100 |
oct | 776141044726 |
9 | 215666530453 |
10 | 68476488150 |
11 | 2704a213074 |
12 | 11330779386 |
13 | 65c3912655 |
14 | 3458552570 |
15 | 1bab9bec50 |
hex | ff18449d6 |
68476488150 has 144 divisors (see below), whose sum is σ = 198197689536. Its totient is φ = 15600271680.
The previous prime is 68476488139. The next prime is 68476488151. The reversal of 68476488150 is 5188467486.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68476488151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2241277 + ... + 2271623.
It is an arithmetic number, because the mean of its divisors is an integer number (1376372844).
Almost surely, 268476488150 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68476488150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99098844768).
68476488150 is an abundant number, since it is smaller than the sum of its proper divisors (129721201386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68476488150 is a wasteful number, since it uses less digits than its factorization.
68476488150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30683 (or 30671 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 57.
The spelling of 68476488150 in words is "sixty-eight billion, four hundred seventy-six million, four hundred eighty-eight thousand, one hundred fifty".
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