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163876385364 = 22313656365447
BaseRepresentation
bin1001100010011111001…
…0110011001001010100
3120122222211022221001020
42120213302303021110
510141104323312424
6203141143401140
714561003202156
oct2304762631124
9518884287036
10163876385364
1163554a4692a
1227915a531b0
13125b839a083
147d0868aad6
1543e1e46079
hex2627cb3254

163876385364 has 12 divisors (see below), whose sum is σ = 382378232544. Its totient is φ = 54625461784.

The previous prime is 163876385329. The next prime is 163876385371. The reversal of 163876385364 is 463583678361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 163876385298 and 163876385307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6828182712 + ... + 6828182735.

It is an arithmetic number, because the mean of its divisors is an integer number (31864852712).

Almost surely, 2163876385364 is an apocalyptic number.

It is an amenable number.

163876385364 is an abundant number, since it is smaller than the sum of its proper divisors (218501847180).

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

163876385364 is a wasteful number, since it uses less digits than its factorization.

163876385364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13656365454 (or 13656365452 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 60.

The spelling of 163876385364 in words is "one hundred sixty-three billion, eight hundred seventy-six million, three hundred eighty-five thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 13656365447 27312730894 40969096341 54625461788 81938192682 163876385364