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5130608161 = 72104706289
BaseRepresentation
bin1001100011100111…
…01101111000100001
3111020120010220021111
410301303231320201
541001413430121
62205034423321
7241066310200
oct46163557041
914216126244
105130608161
1121a3104938
12bb2291b41
13639c2b123
1436957d237
152006552e1
hex131cede21

5130608161 has 6 divisors (see below), whose sum is σ = 5968258530. Its totient is φ = 4397664096.

The previous prime is 5130608141. The next prime is 5130608179. The reversal of 5130608161 is 1618060315.

It can be written as a sum of positive squares in only one way, i.e., 4343469025 + 787139136 = 65905^2 + 28056^2 .

It is not a de Polignac number, because 5130608161 - 27 = 5130608033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5130608141) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 52353096 + ... + 52353193.

It is an arithmetic number, because the mean of its divisors is an integer number (994709755).

Almost surely, 25130608161 is an apocalyptic number.

It is an amenable number.

5130608161 is a deficient number, since it is larger than the sum of its proper divisors (837650369).

5130608161 is a wasteful number, since it uses less digits than its factorization.

5130608161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104706303 (or 104706296 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5130608161 is about 71628.2637022565. The cubic root of 5130608161 is about 1724.7372741093.

Adding to 5130608161 its reverse (1618060315), we get a palindrome (6748668476).

The spelling of 5130608161 in words is "five billion, one hundred thirty million, six hundred eight thousand, one hundred sixty-one".

Divisors: 1 7 49 104706289 732944023 5130608161