Base | Representation |
---|---|
bin | 111111100011001001… |
… | …101011010101001100 |
3 | 20112010110002020121010 |
4 | 333203021223111030 |
5 | 2104221240134002 |
6 | 51202535005220 |
7 | 4633636650501 |
oct | 774311532514 |
9 | 215113066533 |
10 | 68235474252 |
11 | 26a36167830 |
12 | 11283b09810 |
13 | 65859c818a |
14 | 34345354a8 |
15 | 1b9576346c |
hex | fe326b54c |
68235474252 has 192 divisors, whose sum is σ = 185173148160. Its totient is φ = 19363276800.
The previous prime is 68235474233. The next prime is 68235474257. The reversal of 68235474252 is 25247453286.
It is not an unprimeable number, because it can be changed into a prime (68235474257) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17044083 + ... + 17048085.
It is an arithmetic number, because the mean of its divisors is an integer number (964443480).
Almost surely, 268235474252 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68235474252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92586574080).
68235474252 is an abundant number, since it is smaller than the sum of its proper divisors (116937673908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68235474252 is a wasteful number, since it uses less digits than its factorization.
68235474252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4184 (or 4182 counting only the distinct ones).
The product of its digits is 3225600, while the sum is 48.
The spelling of 68235474252 in words is "sixty-eight billion, two hundred thirty-five million, four hundred seventy-four thousand, two hundred fifty-two".
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