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16157225171 is a prime number
BaseRepresentation
bin11110000110000101…
…11011000011010011
31112201000200002012002
433003002323003103
5231042222201141
611231133224215
71111251101513
oct170302730323
945630602162
1016157225171
11694137245a
12316b03206b
1316a6514989
14ad3bbb843
15648700e9b
hex3c30bb0d3

16157225171 has 2 divisors, whose sum is σ = 16157225172. Its totient is φ = 16157225170.

The previous prime is 16157225167. The next prime is 16157225209. The reversal of 16157225171 is 17152275161.

16157225171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (16157225209) can be obtained adding 16157225171 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16157225171 - 22 = 16157225167 is a prime.

It is a super-2 number, since 2×161572251712 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16157225131) 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 as a sum of consecutive naturals, namely, 8078612585 + 8078612586.

It is an arithmetic number, because the mean of its divisors is an integer number (8078612586).

Almost surely, 216157225171 is an apocalyptic number.

16157225171 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157225171 is an equidigital number, since it uses as much as digits as its factorization.

16157225171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 38.

The spelling of 16157225171 in words is "sixteen billion, one hundred fifty-seven million, two hundred twenty-five thousand, one hundred seventy-one".