Base | Representation |
---|---|
bin | 11111000111100000001100… |
… | …10001000001111110110000 |
3 | 22222021121101210202211001221 |
4 | 33203300012101001332300 |
5 | 32432104032131301403 |
6 | 401311100503234424 |
7 | 20261503556641501 |
oct | 1743600621017660 |
9 | 288247353684057 |
10 | 68427524087728 |
11 | 1a891a4a49a183 |
12 | 7811867448a14 |
13 | 2c248c322b510 |
14 | 12c7ca4842ba8 |
15 | 7d9e549bbdbd |
hex | 3e3c06441fb0 |
68427524087728 has 80 divisors (see below), whose sum is σ = 145818042048000. Its totient is φ = 30909219280128.
The previous prime is 68427524087717. The next prime is 68427524087737. The reversal of 68427524087728 is 82778042572486.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648555523 + ... + 648661021.
It is an arithmetic number, because the mean of its divisors is an integer number (1822725525600).
Almost surely, 268427524087728 is an apocalyptic number.
It is an amenable number.
68427524087728 is an abundant number, since it is smaller than the sum of its proper divisors (77390517960272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68427524087728 is a wasteful number, since it uses less digits than its factorization.
68427524087728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171914 (or 171908 counting only the distinct ones).
The product of its (nonzero) digits is 674365440, while the sum is 70.
The spelling of 68427524087728 in words is "sixty-eight trillion, four hundred twenty-seven billion, five hundred twenty-four million, eighty-seven thousand, seven hundred twenty-eight".
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