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3081522149 is a prime number
BaseRepresentation
bin1011011110101100…
…0100101111100101
321221202102112200222
42313223010233211
522302332202044
61225435414125
7136235335406
oct26753045745
97852375628
103081522149
111341491222
1271bbb4345
133a15586b4
142133879ad
151307e88ee
hexb7ac4be5

3081522149 has 2 divisors, whose sum is σ = 3081522150. Its totient is φ = 3081522148.

The previous prime is 3081522137. The next prime is 3081522167. The reversal of 3081522149 is 9412251803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1908117124 + 1173405025 = 43682^2 + 34255^2 .

It is a cyclic number.

It is not a de Polignac number, because 3081522149 - 28 = 3081521893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3081572149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540761074 + 1540761075.

It is an arithmetic number, because the mean of its divisors is an integer number (1540761075).

Almost surely, 23081522149 is an apocalyptic number.

It is an amenable number.

3081522149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081522149 is an equidigital number, since it uses as much as digits as its factorization.

3081522149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 3081522149 is about 55511.4596187130. The cubic root of 3081522149 is about 1455.1969122931.

The spelling of 3081522149 in words is "three billion, eighty-one million, five hundred twenty-two thousand, one hundred forty-nine".