Base | Representation |
---|---|
bin | 111111101010100… |
… | …110110011100101 |
3 | 2202102212210211220 |
4 | 333222212303211 |
5 | 4141420233410 |
6 | 253553450553 |
7 | 35316662100 |
oct | 7752466345 |
9 | 2672783756 |
10 | 1068133605 |
11 | 4a8a2a650 |
12 | 259870a59 |
13 | 1403a4326 |
14 | a1c05737 |
15 | 63b8e070 |
hex | 3faa6ce5 |
1068133605 has 48 divisors (see below), whose sum is σ = 2168783424. Its totient is φ = 443896320.
The previous prime is 1068133571. The next prime is 1068133663. The reversal of 1068133605 is 5063318601.
It is not a de Polignac number, because 1068133605 - 28 = 1068133349 is a prime.
It is a super-2 number, since 2×10681336052 = 2281818796260592050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 57972 + ... + 74141.
It is an arithmetic number, because the mean of its divisors is an integer number (45182988).
Almost surely, 21068133605 is an apocalyptic number.
1068133605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1068133605 is an abundant number, since it is smaller than the sum of its proper divisors (1100649819).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068133605 is a wasteful number, since it uses less digits than its factorization.
1068133605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132146 (or 132139 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 1068133605 is about 32682.3133361150. The cubic root of 1068133605 is about 1022.2140822555.
The spelling of 1068133605 in words is "one billion, sixty-eight million, one hundred thirty-three thousand, six hundred five".
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