Base | Representation |
---|---|
bin | 111111011001110001… |
… | …000000111011001100 |
3 | 20111201110210102221201 |
4 | 333121301000323030 |
5 | 2103410432423111 |
6 | 51135152035244 |
7 | 4630015400245 |
oct | 773161007314 |
9 | 214643712851 |
10 | 68078014156 |
11 | 2696529a719 |
12 | 1123b232b24 |
13 | 655c1b6819 |
14 | 341b667ccc |
15 | 1b86a0d6c1 |
hex | fd9c40ecc |
68078014156 has 24 divisors (see below), whose sum is σ = 126153081936. Its totient is φ = 32034547200.
The previous prime is 68078014097. The next prime is 68078014177. The reversal of 68078014156 is 65141087086.
It is a super-2 number, since 2×680780141562 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462960 + ... + 1508776.
It is an arithmetic number, because the mean of its divisors is an integer number (5256378414).
Almost surely, 268078014156 is an apocalyptic number.
It is an amenable number.
68078014156 is a deficient number, since it is larger than the sum of its proper divisors (58075067780).
68078014156 is a wasteful number, since it uses less digits than its factorization.
68078014156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67689 (or 67687 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 46.
The spelling of 68078014156 in words is "sixty-eight billion, seventy-eight million, fourteen thousand, one hundred fifty-six".
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