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163743809863 = 2340591175391
BaseRepresentation
bin1001100001111111100…
…1000100000101000111
3120122122120212101122111
42120133321010011013
510140321403403423
6203120050041451
714554503263524
oct2303771040507
9518576771574
10163743809863
11634971259a7
1227899579287
1312596a8c22a
147cd4c1a14b
1543d54a960d
hex261fe44147

163743809863 has 8 divisors (see below), whose sum is σ = 170868289536. Its totient is φ = 156619762200.

The previous prime is 163743809861. The next prime is 163743809893. The reversal of 163743809863 is 368908347361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163743809863 - 21 = 163743809861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163743809798 and 163743809807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163743809861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845898 + ... + 1021288.

It is an arithmetic number, because the mean of its divisors is an integer number (21358536192).

Almost surely, 2163743809863 is an apocalyptic number.

163743809863 is a deficient number, since it is larger than the sum of its proper divisors (7124479673).

163743809863 is a wasteful number, since it uses less digits than its factorization.

163743809863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216005.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 163743809863 in words is "one hundred sixty-three billion, seven hundred forty-three million, eight hundred nine thousand, eight hundred sixty-three".

Divisors: 1 23 40591 175391 933593 4033993 7119296081 163743809863