Search a number
-
+
5061908081 is a prime number
BaseRepresentation
bin1001011011011011…
…01001011001110001
3111001202212120111002
410231231221121301
540331322024311
62154142131345
7236303336336
oct45555513161
914052776432
105061908081
11216835150a
12b93280b55
136289261a9
143603b898d
151e95d493b
hex12db69671

5061908081 has 2 divisors, whose sum is σ = 5061908082. Its totient is φ = 5061908080.

The previous prime is 5061908053. The next prime is 5061908087. The reversal of 5061908081 is 1808091605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3468621025 + 1593287056 = 58895^2 + 39916^2 .

It is a cyclic number.

It is not a de Polignac number, because 5061908081 - 26 = 5061908017 is a prime.

It is a super-2 number, since 2×50619080812 = 51245826840986205122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5061908087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530954040 + 2530954041.

It is an arithmetic number, because the mean of its divisors is an integer number (2530954041).

Almost surely, 25061908081 is an apocalyptic number.

It is an amenable number.

5061908081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5061908081 is an equidigital number, since it uses as much as digits as its factorization.

5061908081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 5061908081 is about 71147.0876494604. The cubic root of 5061908081 is about 1717.0044399268.

Adding to 5061908081 its reverse (1808091605), we get a palindrome (6869999686).

The spelling of 5061908081 in words is "five billion, sixty-one million, nine hundred eight thousand, eighty-one".