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163543222106105 = 532708644421221
BaseRepresentation
bin100101001011110111011111…
…101010001011011111111001
3210110001120122100012112002012
4211023313133222023133321
5132413443004324343410
61335454415151415305
746306415334225542
oct4513673752133771
9713046570175065
10163543222106105
11481233223524a6
1216413932224535
1370340a11330ba
142c55769b334c9
1513d9203ee9605
hex94bddfa8b7f9

163543222106105 has 4 divisors (see below), whose sum is σ = 196251866527332. Its totient is φ = 130834577684880.

The previous prime is 163543222106087. The next prime is 163543222106123. The reversal of 163543222106105 is 501601222345361.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (163543222106087) and next prime (163543222106123).

It can be written as a sum of positive squares in 2 ways, for example, as 36127348423609 + 127415873682496 = 6010603^2 + 11287864^2 .

It is a de Polignac number, because none of the positive numbers 2k-163543222106105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16354322210606 + ... + 16354322210615.

It is an arithmetic number, because the mean of its divisors is an integer number (49062966631833).

Almost surely, 2163543222106105 is an apocalyptic number.

It is an amenable number.

163543222106105 is a deficient number, since it is larger than the sum of its proper divisors (32708644421227).

163543222106105 is an equidigital number, since it uses as much as digits as its factorization.

163543222106105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32708644421226.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 163543222106105 in words is "one hundred sixty-three trillion, five hundred forty-three billion, two hundred twenty-two million, one hundred six thousand, one hundred five".

Divisors: 1 5 32708644421221 163543222106105