Base | Representation |
---|---|
bin | 111011111001110… |
… | …100100010011001 |
3 | 2121001002221212002 |
4 | 323321310202121 |
5 | 4024240410040 |
6 | 243420530345 |
7 | 33622320323 |
oct | 7371644231 |
9 | 2531087762 |
10 | 1005013145 |
11 | 476338284 |
12 | 2406b09b5 |
13 | 1302a3c46 |
14 | 97694613 |
15 | 5d371a15 |
hex | 3be74899 |
1005013145 has 8 divisors (see below), whose sum is σ = 1206195840. Its totient is φ = 803890480.
The previous prime is 1005013133. The next prime is 1005013169. The reversal of 1005013145 is 5413105001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1005013145 - 216 = 1004947609 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40496 + ... + 60414.
It is an arithmetic number, because the mean of its divisors is an integer number (150774480).
Almost surely, 21005013145 is an apocalyptic number.
It is an amenable number.
1005013145 is a deficient number, since it is larger than the sum of its proper divisors (201182695).
1005013145 is a wasteful number, since it uses less digits than its factorization.
1005013145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30015.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 1005013145 is about 31701.9422906547. The cubic root of 1005013145 is about 1001.6682636820.
Adding to 1005013145 its reverse (5413105001), we get a palindrome (6418118146).
The spelling of 1005013145 in words is "one billion, five million, thirteen thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •