Base | Representation |
---|---|
bin | 111111101011100… |
… | …111000001100101 |
3 | 2202110101011200010 |
4 | 333223213001211 |
5 | 4142002143040 |
6 | 254003240433 |
7 | 35322136011 |
oct | 7753470145 |
9 | 2673334603 |
10 | 1068396645 |
11 | 4a909a238 |
12 | 259979119 |
13 | 140466c84 |
14 | a1c73541 |
15 | 63be1e80 |
hex | 3fae7065 |
1068396645 has 16 divisors (see below), whose sum is σ = 1755636480. Its totient is φ = 554410944.
The previous prime is 1068396643. The next prime is 1068396653. The reversal of 1068396645 is 5466938601.
It is not a de Polignac number, because 1068396645 - 21 = 1068396643 is a prime.
It is a super-2 number, since 2×10683966452 = 2282942782094512050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1068396594 and 1068396603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068396643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961965 + ... + 963074.
It is an arithmetic number, because the mean of its divisors is an integer number (109727280).
Almost surely, 21068396645 is an apocalyptic number.
1068396645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1068396645 is a deficient number, since it is larger than the sum of its proper divisors (687239835).
1068396645 is a wasteful number, since it uses less digits than its factorization.
1068396645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1925084.
The product of its (nonzero) digits is 933120, while the sum is 48.
The square root of 1068396645 is about 32686.3372833360. The cubic root of 1068396645 is about 1022.2979859676.
The spelling of 1068396645 in words is "one billion, sixty-eight million, three hundred ninety-six thousand, six hundred forty-five".
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