Search a number
-
+
2118007533 = 313724121383
BaseRepresentation
bin111111000111110…
…0011101011101101
312110121101221010110
41332033203223231
513314202220113
6550100130233
7103325524035
oct17617435355
95417357113
102118007533
11997618454
124b1396979
13279a543c5
141614168c5
15c5e22bc3
hex7e3e3aed

2118007533 has 16 divisors (see below), whose sum is σ = 2856560256. Its totient is φ = 1395816960.

The previous prime is 2118007531. The next prime is 2118007537. The reversal of 2118007533 is 3357008112.

It is not a de Polignac number, because 2118007533 - 21 = 2118007531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2118007533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118007531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88360 + ... + 109742.

It is an arithmetic number, because the mean of its divisors is an integer number (178535016).

Almost surely, 22118007533 is an apocalyptic number.

It is an amenable number.

2118007533 is a deficient number, since it is larger than the sum of its proper divisors (738552723).

2118007533 is a wasteful number, since it uses less digits than its factorization.

2118007533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21764.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2118007533 is about 46021.8158377090. The cubic root of 2118007533 is about 1284.2290809084.

The spelling of 2118007533 in words is "two billion, one hundred eighteen million, seven thousand, five hundred thirty-three".

Divisors: 1 3 137 241 411 723 21383 33017 64149 99051 2929471 5153303 8788413 15459909 706002511 2118007533