Base | Representation |
---|---|
bin | 111111101100011… |
… | …001001000011111 |
3 | 2202110202121012200 |
4 | 333230121020133 |
5 | 4142030230022 |
6 | 254011502543 |
7 | 35323652253 |
oct | 7754311037 |
9 | 2673677180 |
10 | 1068601887 |
11 | 4a921a461 |
12 | 259a57a53 |
13 | 140509512 |
14 | a1cc8263 |
15 | 63c32bac |
hex | 3fb1921f |
1068601887 has 12 divisors (see below), whose sum is σ = 1544917920. Its totient is φ = 711763488.
The previous prime is 1068601879. The next prime is 1068601903. The reversal of 1068601887 is 7881068601.
It is not a de Polignac number, because 1068601887 - 23 = 1068601879 is a prime.
It is a super-2 number, since 2×10686018872 = 2283819985799921538, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068601867) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42423 + ... + 62744.
It is an arithmetic number, because the mean of its divisors is an integer number (128743160).
Almost surely, 21068601887 is an apocalyptic number.
1068601887 is a deficient number, since it is larger than the sum of its proper divisors (476316033).
1068601887 is a wasteful number, since it uses less digits than its factorization.
1068601887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106302 (or 106299 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 45.
The square root of 1068601887 is about 32689.4767012260. The cubic root of 1068601887 is about 1022.3634438822.
The spelling of 1068601887 in words is "one billion, sixty-eight million, six hundred one thousand, eight hundred eighty-seven".
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