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162112337257 = 1364491933661
BaseRepresentation
bin1001011011111010100…
…1011111010101101001
3120111102212221222222011
42112332221133111221
510124001224243012
6202250125555521
714466203062603
oct2267651372551
9514385858864
10162112337257
116282a208432
1227503115ba1
1312396a87120
147bbc292173
15433c1401a7
hex25bea5f569

162112337257 has 8 divisors (see below), whose sum is σ = 174609678600. Its totient is φ = 149618876160.

The previous prime is 162112337227. The next prime is 162112337279. The reversal of 162112337257 is 752733211261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21525584656 + 140586752601 = 146716^2 + 374949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162112337257 - 235 = 127752598889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162112337227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882994 + ... + 1050667.

It is an arithmetic number, because the mean of its divisors is an integer number (21826209825).

Almost surely, 2162112337257 is an apocalyptic number.

It is an amenable number.

162112337257 is a deficient number, since it is larger than the sum of its proper divisors (12497341343).

162112337257 is a wasteful number, since it uses less digits than its factorization.

162112337257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940123.

The product of its digits is 105840, while the sum is 40.

The spelling of 162112337257 in words is "one hundred sixty-two billion, one hundred twelve million, three hundred thirty-seven thousand, two hundred fifty-seven".

Divisors: 1 13 6449 83837 1933661 25137593 12470179789 162112337257