Base | Representation |
---|---|
bin | 111111011101110100… |
… | …101001101000011100 |
3 | 20111220012212100111201 |
4 | 333131310221220130 |
5 | 2104030343414223 |
6 | 51150022525244 |
7 | 4631503042651 |
oct | 773564515034 |
9 | 214805770451 |
10 | 68146076188 |
11 | 2699a757733 |
12 | 11259b96824 |
13 | 6570327208 |
14 | 3426703c28 |
15 | 1b8c9a4ead |
hex | fddd29a1c |
68146076188 has 12 divisors (see below), whose sum is σ = 119274113560. Its totient is φ = 34067758032.
The previous prime is 68146076183. The next prime is 68146076203. The reversal of 68146076188 is 88167064186.
It is a happy number.
It is a super-2 number, since 2×681460761882 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68146076183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290906 + ... + 1342657.
Almost surely, 268146076188 is an apocalyptic number.
It is an amenable number.
68146076188 is a deficient number, since it is larger than the sum of its proper divisors (51128037372).
68146076188 is a wasteful number, since it uses less digits than its factorization.
68146076188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2640036 (or 2640034 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 55.
The spelling of 68146076188 in words is "sixty-eight billion, one hundred forty-six million, seventy-six thousand, one hundred eighty-eight".
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