Base | Representation |
---|---|
bin | 100000000001011101… |
… | …0001001001100000000 |
3 | 20120111120122020021201 |
4 | 1000002322021030000 |
5 | 2111314134220102 |
6 | 51331450430544 |
7 | 4653066451165 |
oct | 1000272111400 |
9 | 216446566251 |
10 | 68768273152 |
11 | 271899964a7 |
12 | 113b2432454 |
13 | 663c1c51b7 |
14 | 34851c806c |
15 | 1bc7409987 |
hex | 1002e89300 |
68768273152 has 36 divisors (see below), whose sum is σ = 141695934016. Its totient is φ = 33274967040.
The previous prime is 68768273107. The next prime is 68768273177. The reversal of 68768273152 is 25137286786.
It is a junction number, because it is equal to n+sod(n) for n = 68768273093 and 68768273102.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324743 + ... + 4340614.
Almost surely, 268768273152 is an apocalyptic number.
68768273152 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
68768273152 is an abundant number, since it is smaller than the sum of its proper divisors (72927660864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68768273152 is an equidigital number, since it uses as much as digits as its factorization.
68768273152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8665404 (or 8665390 counting only the distinct ones).
The product of its digits is 6773760, while the sum is 55.
The spelling of 68768273152 in words is "sixty-eight billion, seven hundred sixty-eight million, two hundred seventy-three thousand, one hundred fifty-two".
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