Search a number
-
+
163106155 = 5161920149
BaseRepresentation
bin10011011100011…
…00110101101011
3102100220122120201
421232030311223
5313223344110
624103533031
74020244102
oct1156146553
9370818521
10163106155
1184084083
124675a177
1327a3a524
141793b039
15e4bcb3a
hex9b8cd6b

163106155 has 8 divisors (see below), whose sum is σ = 195858000. Its totient is φ = 130397856.

The previous prime is 163106147. The next prime is 163106161. The reversal of 163106155 is 551601361.

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 163106155 - 23 = 163106147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 18169.

It is an arithmetic number, because the mean of its divisors is an integer number (24482250).

Almost surely, 2163106155 is an apocalyptic number.

163106155 is a deficient number, since it is larger than the sum of its proper divisors (32751845).

163106155 is a wasteful number, since it uses less digits than its factorization.

163106155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21773.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 163106155 is about 12771.3020088008. The cubic root of 163106155 is about 546.3741157680.

The spelling of 163106155 in words is "one hundred sixty-three million, one hundred six thousand, one hundred fifty-five".

Divisors: 1 5 1619 8095 20149 100745 32621231 163106155