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5520072169 is a prime number
BaseRepresentation
bin1010010010000010…
…11001110111101001
3112020200222201110101
411021001121313221
542301114302134
62311430145401
7253535560603
oct51101316751
915220881411
105520072169
112382a33a17
1210a07b2261
1369c820bc1
143a51a0173
15224936e14
hex149059de9

5520072169 has 2 divisors, whose sum is σ = 5520072170. Its totient is φ = 5520072168.

The previous prime is 5520072167. The next prime is 5520072247. The reversal of 5520072169 is 9612700255.

5520072169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3796161769 + 1723910400 = 61613^2 + 41520^2 .

It is a cyclic number.

It is not a de Polignac number, because 5520072169 - 21 = 5520072167 is a prime.

It is a super-2 number, since 2×55200721692 = 60942393501936729122, which contains 22 as substring.

Together with 5520072167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5520072167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760036084 + 2760036085.

It is an arithmetic number, because the mean of its divisors is an integer number (2760036085).

Almost surely, 25520072169 is an apocalyptic number.

It is an amenable number.

5520072169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520072169 is an equidigital number, since it uses as much as digits as its factorization.

5520072169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 5520072169 is about 74297.1881634830. The cubic root of 5520072169 is about 1767.3188864448.

The spelling of 5520072169 in words is "five billion, five hundred twenty million, seventy-two thousand, one hundred sixty-nine".