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231066163740 = 22355275772997
BaseRepresentation
bin1101011100110010011…
…1011101101000011100
3211002102101202022120110
43113030213131220130
512241210414214430
6254052245450020
722460014661646
oct3271447355034
9732371668513
10231066163740
1189aa3909895
1238947710910
1318a35548a99
14b27dd7b896
15602599d7b0
hex35cc9dda1c

231066163740 has 48 divisors (see below), whose sum is σ = 647006385312. Its totient is φ = 61615631616.

The previous prime is 231066163723. The next prime is 231066163751. The reversal of 231066163740 is 47361660132.

231066163740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3128922 + ... + 3201918.

It is an arithmetic number, because the mean of its divisors is an integer number (13479299694).

Almost surely, 2231066163740 is an apocalyptic number.

231066163740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231066163740 is an abundant number, since it is smaller than the sum of its proper divisors (415940221572).

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

231066163740 is a wasteful number, since it uses less digits than its factorization.

231066163740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125766 (or 125764 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 231066163740 in words is "two hundred thirty-one billion, sixty-six million, one hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 52757 72997 105514 145994 158271 211028 218991 263785 291988 316542 364985 437982 527570 633084 729970 791355 875964 1055140 1094955 1459940 1582710 2189910 3165420 4379820 3851102729 7702205458 11553308187 15404410916 19255513645 23106616374 38511027290 46213232748 57766540935 77022054580 115533081870 231066163740