Base | Representation |
---|---|
bin | 11111001001110111001101… |
… | …00100000000000000000000 |
3 | 22222120100122212221112111211 |
4 | 33210323212210000000000 |
5 | 32434421101210134224 |
6 | 401412225332015504 |
7 | 20300403613441102 |
oct | 1744734644000000 |
9 | 288510585845454 |
10 | 68508596568064 |
11 | 1a913372824644 |
12 | 7825512461594 |
13 | 2c2c4435c9c83 |
14 | 12cbb95bd5572 |
15 | 7dc0ec1d7894 |
hex | 3e4ee6900000 |
68508596568064 has 189 divisors, whose sum is σ = 140403603041737. Its totient is φ = 33427923402752.
The previous prime is 68508596568053. The next prime is 68508596568103. The reversal of 68508596568064 is 46086569580586.
The square root of 68508596568064 is 8276992.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 40242275942400 + 28266320625664 = 6343680^2 + 5316608^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 500062748604 + ... + 500062748740.
Almost surely, 268508596568064 is an apocalyptic number.
68508596568064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
68508596568064 is the 8276992-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68508596568064
68508596568064 is an abundant number, since it is smaller than the sum of its proper divisors (71895006473673).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68508596568064 is an frugal number, since it uses more digits than its factorization.
68508596568064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432 (or 198 counting only the distinct ones).
The product of its (nonzero) digits is 2985984000, while the sum is 76.
The spelling of 68508596568064 in words is "sixty-eight trillion, five hundred eight billion, five hundred ninety-six million, five hundred sixty-eight thousand, sixty-four".
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