Base | Representation |
---|---|
bin | 111111110110101… |
… | …000000101000001 |
3 | 2202122210220010101 |
4 | 333312220011001 |
5 | 4143222101140 |
6 | 254145202401 |
7 | 35355524362 |
oct | 7766500501 |
9 | 2678726111 |
10 | 1071284545 |
11 | 4aa791a31 |
12 | 25a930401 |
13 | 140c385a6 |
14 | a23c5b69 |
15 | 640b299a |
hex | 3fda8141 |
1071284545 has 16 divisors (see below), whose sum is σ = 1302480000. Its totient is φ = 845772928.
The previous prime is 1071284509. The next prime is 1071284551. The reversal of 1071284545 is 5454821701.
1071284545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 1071284545 - 221 = 1069187393 is a prime.
It is a super-3 number, since 3×10712845453 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264546 + ... + 268564.
It is an arithmetic number, because the mean of its divisors is an integer number (81405000).
Almost surely, 21071284545 is an apocalyptic number.
It is an amenable number.
1071284545 is a deficient number, since it is larger than the sum of its proper divisors (231195455).
1071284545 is an equidigital number, since it uses as much as digits as its factorization.
1071284545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4712.
The product of its (nonzero) digits is 44800, while the sum is 37.
The square root of 1071284545 is about 32730.4834214223. The cubic root of 1071284545 is about 1023.2182553936.
The spelling of 1071284545 in words is "one billion, seventy-one million, two hundred eighty-four thousand, five hundred forty-five".
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