Base | Representation |
---|---|
bin | 11111000100101100011101… |
… | …11000000110011100100000 |
3 | 22221221101100002110212102100 |
4 | 33202112032320012130200 |
5 | 32424013423114030300 |
6 | 401154502002250400 |
7 | 20251516444613424 |
oct | 1742261670063440 |
9 | 287841302425370 |
10 | 68331031783200 |
11 | 1a85503406765a |
12 | 77b7018356a00 |
13 | 2c18786351034 |
14 | 12c334d5c4b84 |
15 | 7d76a86ae700 |
hex | 3e258ee06720 |
68331031783200 has 216 divisors, whose sum is σ = 246555843822288. Its totient is φ = 17797850058240.
The previous prime is 68331031783171. The next prime is 68331031783213. The reversal of 68331031783200 is 238713013386.
68331031783200 is a `hidden beast` number, since 6 + 8 + 3 + 3 + 1 + 0 + 317 + 8 + 320 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110044134 + ... + 110663333.
It is an arithmetic number, because the mean of its divisors is an integer number (1141462239918).
Almost surely, 268331031783200 is an apocalyptic number.
68331031783200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68331031783200 is an abundant number, since it is smaller than the sum of its proper divisors (178224812039088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68331031783200 is a wasteful number, since it uses less digits than its factorization.
68331031783200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220707536 (or 220707520 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
Adding to 68331031783200 its reverse (238713013386), we get a palindrome (68569744796586).
The spelling of 68331031783200 in words is "sixty-eight trillion, three hundred thirty-one billion, thirty-one million, seven hundred eighty-three thousand, two hundred".
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