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168448108663207 = 1091545395492323
BaseRepresentation
bin100110010011001111100001…
…101011100001000110100111
3211002102111000022121010102001
4212103033201223201012213
5134034323211304210312
61354131554241030131
750323655110115452
oct4623174153410647
9732374008533361
10168448108663207
11497444949a85aa
1216a86456925347
1372cb785ba7029
142d84d0942a499
151471ac64ca057
hex9933e1ae11a7

168448108663207 has 4 divisors (see below), whose sum is σ = 169993504155640. Its totient is φ = 166902713170776.

The previous prime is 168448108663181. The next prime is 168448108663279. The reversal of 168448108663207 is 702366801844861.

168448108663207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168448108663207 - 211 = 168448108661159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168448108603207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772697746053 + ... + 772697746270.

It is an arithmetic number, because the mean of its divisors is an integer number (42498376038910).

Almost surely, 2168448108663207 is an apocalyptic number.

168448108663207 is a deficient number, since it is larger than the sum of its proper divisors (1545395492433).

168448108663207 is a wasteful number, since it uses less digits than its factorization.

168448108663207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545395492432.

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 168448108663207 in words is "one hundred sixty-eight trillion, four hundred forty-eight billion, one hundred eight million, six hundred sixty-three thousand, two hundred seven".

Divisors: 1 109 1545395492323 168448108663207