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14189578940 = 2251056767141
BaseRepresentation
bin11010011011100001…
…11100101010111100
31100121220012021222202
431031300330222330
5213030013011230
610304003531032
71011426300545
oct151560745274
940556167882
1014189578940
116021713749
122900089a78
131451987a74
149887454cc
15580acea45
hex34dc3cabc

14189578940 has 24 divisors (see below), whose sum is σ = 29801379552. Its totient is φ = 5675209920.

The previous prime is 14189578933. The next prime is 14189578957. The reversal of 14189578940 is 4987598141.

It is a congruent number.

It is an unprimeable number.

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, 177770 + ... + 244910.

It is an arithmetic number, because the mean of its divisors is an integer number (1241724148).

Almost surely, 214189578940 is an apocalyptic number.

14189578940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14189578940 is an abundant number, since it is smaller than the sum of its proper divisors (15611800612).

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

14189578940 is a wasteful number, since it uses less digits than its factorization.

14189578940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77717 (or 77715 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 14189578940 in words is "fourteen billion, one hundred eighty-nine million, five hundred seventy-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 10567 21134 42268 52835 67141 105670 134282 211340 268564 335705 671410 1342820 709478947 1418957894 2837915788 3547394735 7094789470 14189578940