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3868171494 = 231158608659
BaseRepresentation
bin1110011010001111…
…1001110011100110
3100222120122110201220
43212203321303212
530410222441434
61435500201210
7164566625625
oct34643716346
910876573656
103868171494
111705533550
128bb539206
13498515895
14289a396bc
151798d4d49
hexe68f9ce6

3868171494 has 16 divisors (see below), whose sum is σ = 8439647040. Its totient is φ = 1172173160.

The previous prime is 3868171493. The next prime is 3868171499. The reversal of 3868171494 is 4941718683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868171493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29304264 + ... + 29304395.

It is an arithmetic number, because the mean of its divisors is an integer number (527477940).

Almost surely, 23868171494 is an apocalyptic number.

3868171494 is an abundant number, since it is smaller than the sum of its proper divisors (4571475546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3868171494 is a wasteful number, since it uses less digits than its factorization.

3868171494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58608675.

The product of its digits is 1161216, while the sum is 51.

The square root of 3868171494 is about 62194.6259253965. The cubic root of 3868171494 is about 1569.7671627880.

The spelling of 3868171494 in words is "three billion, eight hundred sixty-eight million, one hundred seventy-one thousand, four hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 58608659 117217318 175825977 351651954 644695249 1289390498 1934085747 3868171494