Base | Representation |
---|---|
bin | 111111101000100111… |
… | …111111100100111001 |
3 | 20112100211212212020101 |
4 | 333220213333210321 |
5 | 2104413242320302 |
6 | 51220015155401 |
7 | 4636133350234 |
oct | 775047774471 |
9 | 215324785211 |
10 | 68327307577 |
11 | 26a82a90541 |
12 | 112aa815b61 |
13 | 659ba3c719 |
14 | 34427dc41b |
15 | 1b9d853287 |
hex | fe89ff939 |
68327307577 has 16 divisors (see below), whose sum is σ = 73704496320. Its totient is φ = 63129369600.
The previous prime is 68327307553. The next prime is 68327307589. The reversal of 68327307577 is 77570372386.
It is a de Polignac number, because none of the positive numbers 2k-68327307577 is a prime.
It is a super-2 number, since 2×683273075772 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68327307977) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354518 + ... + 2383360.
It is an arithmetic number, because the mean of its divisors is an integer number (4606531020).
Almost surely, 268327307577 is an apocalyptic number.
It is an amenable number.
68327307577 is a deficient number, since it is larger than the sum of its proper divisors (5377188743).
68327307577 is a wasteful number, since it uses less digits than its factorization.
68327307577 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31944.
The product of its (nonzero) digits is 10372320, while the sum is 55.
The spelling of 68327307577 in words is "sixty-eight billion, three hundred twenty-seven million, three hundred seven thousand, five hundred seventy-seven".
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