Search a number
-
+
2173054172 = 2217118127059
BaseRepresentation
bin1000000110000110…
…0010110011011100
312121102222120220212
42001201202303130
513422300213142
6555344031552
7104564440622
oct20141426334
95542876825
102173054172
11a156a5843
125079025b8
13288288893
14168865512
15cab97d82
hex81862cdc

2173054172 has 24 divisors (see below), whose sum is σ = 4030099920. Its totient is φ = 1021710080.

The previous prime is 2173054127. The next prime is 2173054181. The reversal of 2173054172 is 2714503712.

It is a congruent number.

It is an unprimeable number.

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, 66779 + ... + 93837.

It is an arithmetic number, because the mean of its divisors is an integer number (167920830).

Almost surely, 22173054172 is an apocalyptic number.

It is an amenable number.

2173054172 is a deficient number, since it is larger than the sum of its proper divisors (1857045748).

2173054172 is a wasteful number, since it uses less digits than its factorization.

2173054172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28261 (or 28259 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2173054172 is about 46616.0291316195. The cubic root of 2173054172 is about 1295.2596930032.

Adding to 2173054172 its reverse (2714503712), we get a palindrome (4887557884).

The spelling of 2173054172 in words is "two billion, one hundred seventy-three million, fifty-four thousand, one hundred seventy-two".

Divisors: 1 2 4 17 34 68 1181 2362 4724 20077 27059 40154 54118 80308 108236 460003 920006 1840012 31956679 63913358 127826716 543263543 1086527086 2173054172