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168040302017 = 7291772946691
BaseRepresentation
bin1001110001111111111…
…0111000010111000001
3121001202000110210212112
42130133332320113001
510223121304131032
6205110250505105
715066123666650
oct2343776702701
9531660423775
10168040302017
11652a1408065
1228698435195
1312accc50b93
1481c16ad197
1545877991b2
hex271ffb85c1

168040302017 has 16 divisors (see below), whose sum is σ = 198683798400. Its totient is φ = 139057013760.

The previous prime is 168040302013. The next prime is 168040302041. The reversal of 168040302017 is 710203040861.

It is not a de Polignac number, because 168040302017 - 22 = 168040302013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168040302013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575642 + ... + 3622332.

It is an arithmetic number, because the mean of its divisors is an integer number (12417737400).

Almost surely, 2168040302017 is an apocalyptic number.

It is an amenable number.

168040302017 is a deficient number, since it is larger than the sum of its proper divisors (30643496383).

168040302017 is a wasteful number, since it uses less digits than its factorization.

168040302017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64456.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 168040302017 its reverse (710203040861), we get a palindrome (878243342878).

The spelling of 168040302017 in words is "one hundred sixty-eight billion, forty million, three hundred two thousand, seventeen".

Divisors: 1 7 29 203 17729 46691 124103 326837 514141 1354039 3598987 9478273 827784739 5794493173 24005757431 168040302017