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162746430689 is a prime number
BaseRepresentation
bin1001011110010001110…
…0010111010011100001
3120120002002010021122002
42113210130113103201
510131301041240224
6202433100453345
714521002556523
oct2274434272341
9516062107562
10162746430689
1163025132197
122765b54a255
131246825bc3b
147c3c591a13
154377b449ae
hex25e47174e1

162746430689 has 2 divisors, whose sum is σ = 162746430690. Its totient is φ = 162746430688.

The previous prime is 162746430683. The next prime is 162746430787. The reversal of 162746430689 is 986034647261.

162746430689 is digitally balanced in base 2, 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., 143538688225 + 19207742464 = 378865^2 + 138592^2 .

It is a cyclic number.

It is not a de Polignac number, because 162746430689 - 24 = 162746430673 is a prime.

It is not a weakly prime, because it can be changed into another prime (162746430683) 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, 81373215344 + 81373215345.

It is an arithmetic number, because the mean of its divisors is an integer number (81373215345).

Almost surely, 2162746430689 is an apocalyptic number.

It is an amenable number.

162746430689 is a deficient number, since it is larger than the sum of its proper divisors (1).

162746430689 is an equidigital number, since it uses as much as digits as its factorization.

162746430689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 162746430689 in words is "one hundred sixty-two billion, seven hundred forty-six million, four hundred thirty thousand, six hundred eighty-nine".