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5020817161 = 101104947389
BaseRepresentation
bin1001010110100001…
…11001011100001001
3110221220112221100011
410223100321130021
540240312122121
62150113311521
7235264145623
oct45320713411
913856487304
105020817161
112147136278
12b815655a1
13620269c39
14358b5dc13
151e5bb97e1
hex12b439709

5020817161 has 8 divisors (see below), whose sum is σ = 5075469000. Its totient is φ = 4966262400.

The previous prime is 5020817063. The next prime is 5020817173. The reversal of 5020817161 is 1617180205.

It can be written as a sum of positive squares in 4 ways, for example, as 1626589561 + 3394227600 = 40331^2 + 58260^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5020817161 - 231 = 2873333513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5020817861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82255 + ... + 129643.

It is an arithmetic number, because the mean of its divisors is an integer number (634433625).

Almost surely, 25020817161 is an apocalyptic number.

It is an amenable number.

5020817161 is a deficient number, since it is larger than the sum of its proper divisors (54651839).

5020817161 is a wasteful number, since it uses less digits than its factorization.

5020817161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48539.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 5020817161 is about 70857.7247800125. The cubic root of 5020817161 is about 1712.3457838004.

Adding to 5020817161 its reverse (1617180205), we get a palindrome (6637997366).

The spelling of 5020817161 in words is "five billion, twenty million, eight hundred seventeen thousand, one hundred sixty-one".

Divisors: 1 101 1049 47389 105949 4786289 49711061 5020817161