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5020616161 = 11456419651
BaseRepresentation
bin1001010110100000…
…01000010111100001
3110221220011201121201
410223100020113201
540240234204121
62150105121201
7235262350621
oct45320102741
913856151551
105020616161
112147009260
12b81489201
136201c95c2
14358b0a881
151e5b79e91
hex12b4085e1

5020616161 has 4 divisors (see below), whose sum is σ = 5477035824. Its totient is φ = 4564196500.

The previous prime is 5020616149. The next prime is 5020616201. The reversal of 5020616161 is 1616160205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5020616161 - 229 = 4483745249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5020616101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228209815 + ... + 228209836.

It is an arithmetic number, because the mean of its divisors is an integer number (1369258956).

Almost surely, 25020616161 is an apocalyptic number.

It is an amenable number.

5020616161 is a deficient number, since it is larger than the sum of its proper divisors (456419663).

5020616161 is a wasteful number, since it uses less digits than its factorization.

5020616161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456419662.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5020616161 is about 70856.3064306911. The cubic root of 5020616161 is about 1712.3229331977.

Adding to 5020616161 its reverse (1616160205), we get a palindrome (6636776366).

The spelling of 5020616161 in words is "five billion, twenty million, six hundred sixteen thousand, one hundred sixty-one".

Divisors: 1 11 456419651 5020616161