Search a number
-
+
163106212 = 22371102069
BaseRepresentation
bin10011011100011…
…00110110100100
3102100220122122211
421232030312210
5313223344322
624103533204
74020244213
oct1156146644
9370818584
10163106212
1184084125
124675a204
1327a3a569
141793b07a
15e4bcb77
hex9b8cda4

163106212 has 12 divisors (see below), whose sum is σ = 293150620. Its totient is φ = 79348896.

The previous prime is 163106191. The next prime is 163106219. The reversal of 163106212 is 212601361.

163106212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 103754596 + 59351616 = 10186^2 + 7704^2 .

It is not an unprimeable number, because it can be changed into a prime (163106219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550887 + ... + 551182.

Almost surely, 2163106212 is an apocalyptic number.

It is an amenable number.

163106212 is a deficient number, since it is larger than the sum of its proper divisors (130044408).

163106212 is a wasteful number, since it uses less digits than its factorization.

163106212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102110 (or 1102108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 163106212 is about 12771.3042403664. The cubic root of 163106212 is about 546.3741794143.

Adding to 163106212 its reverse (212601361), we get a palindrome (375707573).

It can be divided in two parts, 16310 and 6212, that added together give a palindrome (22522).

The spelling of 163106212 in words is "one hundred sixty-three million, one hundred six thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 1102069 2204138 4408276 40776553 81553106 163106212