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168701703868 = 22178372364491
BaseRepresentation
bin1001110100011101100…
…1111011011010111100
3121010110010000111122101
42131013121323122330
510231000114010433
6205300034554444
715121404552145
oct2350731733274
9533403014571
10168701703868
1165600794065
1228841a38a24
1312ba6c97819
14824547aacc
1545c589507d
hex274767b6bc

168701703868 has 12 divisors (see below), whose sum is σ = 295244658072. Its totient is φ = 84346087280.

The previous prime is 168701703851. The next prime is 168701703887. The reversal of 168701703868 is 868307107861.

It is a super-2 number, since 2×1687017038682 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1110898 + ... + 1253593.

It is an arithmetic number, because the mean of its divisors is an integer number (24603721506).

Almost surely, 2168701703868 is an apocalyptic number.

It is an amenable number.

168701703868 is a deficient number, since it is larger than the sum of its proper divisors (126542954204).

168701703868 is a wasteful number, since it uses less digits than its factorization.

168701703868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382332 (or 2382330 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 168701703868 in words is "one hundred sixty-eight billion, seven hundred one million, seven hundred three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17837 35674 71348 2364491 4728982 9457964 42175425967 84350851934 168701703868