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162423013 is a prime number
BaseRepresentation
bin10011010111001…
…10000011100101
3102022121221111011
421223212003211
5313040014023
624041142221
74011400324
oct1153460345
9368557434
10162423013
11837578a5
124648a971
132785b5bc
14178000bb
15e3d550d
hex9ae60e5

162423013 has 2 divisors, whose sum is σ = 162423014. Its totient is φ = 162423012.

The previous prime is 162423011. The next prime is 162423061. The reversal of 162423013 is 310324261.

162423013 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., 162231169 + 191844 = 12737^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 162423013 - 21 = 162423011 is a prime.

Together with 162423011, it forms a pair of twin primes.

It is equal to p9102631 and since 162423013 and 9102631 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162423011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81211506 + 81211507.

It is an arithmetic number, because the mean of its divisors is an integer number (81211507).

Almost surely, 2162423013 is an apocalyptic number.

It is an amenable number.

162423013 is a deficient number, since it is larger than the sum of its proper divisors (1).

162423013 is an equidigital number, since it uses as much as digits as its factorization.

162423013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 162423013 is about 12744.5287476627. The cubic root of 162423013 is about 545.6102504162.

Adding to 162423013 its reverse (310324261), we get a palindrome (472747274).

The spelling of 162423013 in words is "one hundred sixty-two million, four hundred twenty-three thousand, thirteen".