Base | Representation |
---|---|
bin | 11001001101011000… |
… | …101000100001011000 |
3 | 2120212102102022001120 |
4 | 121031120220201120 |
5 | 420413413404330 |
6 | 20233535245240 |
7 | 1645526053245 |
oct | 311530504130 |
9 | 76772368046 |
10 | 27068106840 |
11 | 10530271335 |
12 | 52b5079820 |
13 | 2724b38788 |
14 | 144acd05cc |
15 | a86539c10 |
hex | 64d628858 |
27068106840 has 32 divisors (see below), whose sum is σ = 81204320880. Its totient is φ = 7218161792.
The previous prime is 27068106839. The next prime is 27068106859. The reversal of 27068106840 is 4860186072.
It is a junction number, because it is equal to n+sod(n) for n = 27068106792 and 27068106801.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112783659 + ... + 112783898.
Almost surely, 227068106840 is an apocalyptic number.
27068106840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27068106840 is an abundant number, since it is smaller than the sum of its proper divisors (54136214040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27068106840 is a wasteful number, since it uses less digits than its factorization.
27068106840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225567571 (or 225567567 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The spelling of 27068106840 in words is "twenty-seven billion, sixty-eight million, one hundred six thousand, eight hundred forty".
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