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151944523169 is a prime number
BaseRepresentation
bin1000110110000010011…
…0010110110110100001
3112112012021102112012012
42031200212112312201
54442140244220134
6153445150242305
713656220065005
oct2154046266641
9475167375165
10151944523169
11594917a419a
1225545ab6395
13114363a159a
1474d5b28705
153e446846ce
hex2360996da1

151944523169 has 2 divisors, whose sum is σ = 151944523170. Its totient is φ = 151944523168.

The previous prime is 151944523141. The next prime is 151944523219. The reversal of 151944523169 is 961325449151.

It is an a-pointer prime, because the next prime (151944523219) can be obtained adding 151944523169 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121201459600 + 30743063569 = 348140^2 + 175337^2 .

It is a cyclic number.

It is not a de Polignac number, because 151944523169 - 212 = 151944519073 is a prime.

It is a super-2 number, since 2×1519445231692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (151944523069) 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, 75972261584 + 75972261585.

It is an arithmetic number, because the mean of its divisors is an integer number (75972261585).

Almost surely, 2151944523169 is an apocalyptic number.

It is an amenable number.

151944523169 is a deficient number, since it is larger than the sum of its proper divisors (1).

151944523169 is an equidigital number, since it uses as much as digits as its factorization.

151944523169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The spelling of 151944523169 in words is "one hundred fifty-one billion, nine hundred forty-four million, five hundred twenty-three thousand, one hundred sixty-nine".