Base | Representation |
---|---|
bin | 111111100000111… |
… | …111001101110001 |
3 | 2202021010201001111 |
4 | 333200333031301 |
5 | 4140244042040 |
6 | 253423433321 |
7 | 35256360643 |
oct | 7740771561 |
9 | 2667121044 |
10 | 1065612145 |
11 | 4a75681a4 |
12 | 258a55841 |
13 | 13ca00740 |
14 | a174a893 |
15 | 63841dea |
hex | 3f83f371 |
1065612145 has 16 divisors (see below), whose sum is σ = 1377899712. Its totient is φ = 786456000.
The previous prime is 1065612109. The next prime is 1065612199. The reversal of 1065612145 is 5412165601.
It is not a de Polignac number, because 1065612145 - 29 = 1065611633 is a prime.
It is a super-2 number, since 2×10656121452 = 2271058487143002050, which contains 22 as substring.
It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 142674 + ... + 149956.
It is an arithmetic number, because the mean of its divisors is an integer number (86118732).
Almost surely, 21065612145 is an apocalyptic number.
It is an amenable number.
1065612145 is a deficient number, since it is larger than the sum of its proper divisors (312287567).
1065612145 is a wasteful number, since it uses less digits than its factorization.
1065612145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9552.
The product of its (nonzero) digits is 7200, while the sum is 31.
The square root of 1065612145 is about 32643.7152450514. The cubic root of 1065612145 is about 1021.4090947153.
Adding to 1065612145 its reverse (5412165601), we get a palindrome (6477777746).
It can be divided in two parts, 10656 and 12145, that added together give a square (22801 = 1512).
The spelling of 1065612145 in words is "one billion, sixty-five million, six hundred twelve thousand, one hundred forty-five".
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