Search a number
-
+
2172396633 = 31165830201
BaseRepresentation
bin1000000101111100…
…0010010001011001
312121101202011221120
42001133002101121
513422113143013
6555321555453
7104556031611
oct20137022131
95541664846
102172396633
11a15296820
12507645b89
132880b84c4
14168733a41
15caab8123
hex817c2459

2172396633 has 8 divisors (see below), whose sum is σ = 3159849696. Its totient is φ = 1316604000.

The previous prime is 2172396631. The next prime is 2172396643. The reversal of 2172396633 is 3366932712.

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

It is not a de Polignac number, because 2172396633 - 21 = 2172396631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2172396631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32915068 + ... + 32915133.

It is an arithmetic number, because the mean of its divisors is an integer number (394981212).

Almost surely, 22172396633 is an apocalyptic number.

It is an amenable number.

2172396633 is a deficient number, since it is larger than the sum of its proper divisors (987453063).

2172396633 is a wasteful number, since it uses less digits than its factorization.

2172396633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65830215.

The product of its digits is 244944, while the sum is 42.

The square root of 2172396633 is about 46608.9758844796. The cubic root of 2172396633 is about 1295.1290366991.

The spelling of 2172396633 in words is "two billion, one hundred seventy-two million, three hundred ninety-six thousand, six hundred thirty-three".

Divisors: 1 3 11 33 65830201 197490603 724132211 2172396633