Base | Representation |
---|---|
bin | 111111010101001100… |
… | …000101100101000000 |
3 | 20111112010022011001210 |
4 | 333111030011211000 |
5 | 2103231303200044 |
6 | 51123410130120 |
7 | 4625063606235 |
oct | 772514054500 |
9 | 214463264053 |
10 | 68001225024 |
11 | 26925a11927 |
12 | 11219580940 |
13 | 654930ba75 |
14 | 341139978c |
15 | 1b7ede11b9 |
hex | fd5305940 |
68001225024 has 224 divisors, whose sum is σ = 193519226880. Its totient is φ = 21033676800.
The previous prime is 68001225013. The next prime is 68001225031. The reversal of 68001225024 is 42052210086.
It is a junction number, because it is equal to n+sod(n) for n = 68001224982 and 68001225000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14395527 + ... + 14400249.
It is an arithmetic number, because the mean of its divisors is an integer number (863925120).
Almost surely, 268001225024 is an apocalyptic number.
68001225024 is a gapful number since it is divisible by the number (64) 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 68001225024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96759613440).
68001225024 is an abundant number, since it is smaller than the sum of its proper divisors (125518001856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68001225024 is a wasteful number, since it uses less digits than its factorization.
68001225024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4869 (or 4859 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The spelling of 68001225024 in words is "sixty-eight billion, one million, two hundred twenty-five thousand, twenty-four".
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