Base | Representation |
---|---|
bin | 111111011011110000… |
… | …110100110111011100 |
3 | 20111210210211200020010 |
4 | 333123300310313130 |
5 | 2103443022103241 |
6 | 51142350123220 |
7 | 4630603234500 |
oct | 773360646734 |
9 | 214723750203 |
10 | 68111519196 |
11 | 269821a4536 |
12 | 1124a4b0510 |
13 | 6566117ca6 |
14 | 3421caa300 |
15 | 1b8992ad16 |
hex | fdbc34ddc |
68111519196 has 72 divisors (see below), whose sum is σ = 184909080720. Its totient is φ = 19456754688.
The previous prime is 68111519137. The next prime is 68111519251. The reversal of 68111519196 is 69191511186.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5243766 + ... + 5256738.
Almost surely, 268111519196 is an apocalyptic number.
It is an amenable number.
68111519196 is an abundant number, since it is smaller than the sum of its proper divisors (116797561524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68111519196 is a wasteful number, since it uses less digits than its factorization.
68111519196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21923 (or 21914 counting only the distinct ones).
The product of its digits is 116640, while the sum is 48.
The spelling of 68111519196 in words is "sixty-eight billion, one hundred eleven million, five hundred nineteen thousand, one hundred ninety-six".
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