Base | Representation |
---|---|
bin | 111101011110000010… |
… | …000101000111011100 |
3 | 20022100210121201220021 |
4 | 331132002011013130 |
5 | 2040133020103423 |
6 | 50153154201524 |
7 | 4524410463250 |
oct | 753602050734 |
9 | 208323551807 |
10 | 66002112988 |
11 | 25a9a521419 |
12 | 1095bb832a4 |
13 | 62bb0b5936 |
14 | 32a1a92260 |
15 | 1ab465695d |
hex | f5e0851dc |
66002112988 has 24 divisors (see below), whose sum is σ = 133974442112. Its totient is φ = 27864430704.
The previous prime is 66002112983. The next prime is 66002112997. The reversal of 66002112988 is 88921120066.
It is a happy number.
66002112988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66002112983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17589306 + ... + 17593057.
Almost surely, 266002112988 is an apocalyptic number.
It is an amenable number.
66002112988 is an abundant number, since it is smaller than the sum of its proper divisors (67972329124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66002112988 is a wasteful number, since it uses less digits than its factorization.
66002112988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35182441 (or 35182439 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 43.
The spelling of 66002112988 in words is "sixty-six billion, two million, one hundred twelve thousand, nine hundred eighty-eight".
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