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163078473173 = 71161120128909
BaseRepresentation
bin1001011111100000111…
…1000000010111010101
3120120221012220210021212
42113320033000113111
510132441042120143
6202530041351205
714532144102440
oct2277017002725
9516835823255
10163078473173
1163185601670
1227732798505
13124bbc98595
147c70706657
154396d82918
hex25f83c05d5

163078473173 has 32 divisors (see below), whose sum is σ = 206830928640. Its totient is φ = 124882560000.

The previous prime is 163078473143. The next prime is 163078473193. The reversal of 163078473173 is 371374870361.

163078473173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163078473173 - 220 = 163077424597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163078473143) 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 31 ways as a sum of consecutive naturals, for example, 5626643 + ... + 5655551.

It is an arithmetic number, because the mean of its divisors is an integer number (6463466520).

Almost surely, 2163078473173 is an apocalyptic number.

It is an amenable number.

163078473173 is a deficient number, since it is larger than the sum of its proper divisors (43752455467).

163078473173 is a wasteful number, since it uses less digits than its factorization.

163078473173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30189.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 163078473173 in words is "one hundred sixty-three billion, seventy-eight million, four hundred seventy-three thousand, one hundred seventy-three".

Divisors: 1 7 11 61 77 427 671 1201 4697 8407 13211 28909 73261 92477 202363 317999 512827 805871 1763449 2225993 5641097 12344143 19397939 34719709 135785573 243037963 381916799 2117902249 2673417593 14825315743 23296924739 163078473173