Base | Representation |
---|---|
bin | 101111101101110… |
… | …0011000011101101 |
3 | 11010120200010022121 |
4 | 1133123203003231 |
5 | 11234332311010 |
6 | 422512112541 |
7 | 54450521452 |
oct | 13733430355 |
9 | 4116603277 |
10 | 1601057005 |
11 | 751833909 |
12 | 388235751 |
13 | 1c6915c12 |
14 | 1128cb829 |
15 | 9585c3da |
hex | 5f6e30ed |
1601057005 has 8 divisors (see below), whose sum is σ = 1921600224. Its totient is φ = 1280624400.
The previous prime is 1601056997. The next prime is 1601057009. The reversal of 1601057005 is 5007501061.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1601057005 - 23 = 1601056997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1601057009) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 8490 + ... + 57220.
It is an arithmetic number, because the mean of its divisors is an integer number (240200028).
Almost surely, 21601057005 is an apocalyptic number.
It is an amenable number.
1601057005 is a deficient number, since it is larger than the sum of its proper divisors (320543219).
1601057005 is an equidigital number, since it uses as much as digits as its factorization.
1601057005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55307.
The product of its (nonzero) digits is 1050, while the sum is 25.
The square root of 1601057005 is about 40013.2103810729. The cubic root of 1601057005 is about 1169.8645970366.
Adding to 1601057005 its reverse (5007501061), we get a palindrome (6608558066).
The spelling of 1601057005 in words is "one billion, six hundred one million, fifty-seven thousand, five".
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