Search a number
-
+
2135802273 = 31164721281
BaseRepresentation
bin111111101001101…
…1100000110100001
312111211212222220220
41333103130012201
513333231133043
6551533353253
7103633006533
oct17723340641
95454788826
102135802273
119a6671950
124b7338829
13280644b37
14163929853
15c778a483
hex7f4dc1a1

2135802273 has 8 divisors (see below), whose sum is σ = 3106621536. Its totient is φ = 1294425600.

The previous prime is 2135802271. The next prime is 2135802289. The reversal of 2135802273 is 3722085312.

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

It is not a de Polignac number, because 2135802273 - 21 = 2135802271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 64721281 = 2135802273 / (2 + 1 + 3 + 5 + 8 + 0 + 2 + 2 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (2135802271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32360608 + ... + 32360673.

It is an arithmetic number, because the mean of its divisors is an integer number (388327692).

Almost surely, 22135802273 is an apocalyptic number.

It is an amenable number.

2135802273 is a deficient number, since it is larger than the sum of its proper divisors (970819263).

2135802273 is a wasteful number, since it uses less digits than its factorization.

2135802273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64721295.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2135802273 is about 46214.7408626295. The cubic root of 2135802273 is about 1287.8155994851.

Adding to 2135802273 its reverse (3722085312), we get a palindrome (5857887585).

It can be divided in two parts, 2135 and 802273, that added together give a palindrome (804408).

The spelling of 2135802273 in words is "two billion, one hundred thirty-five million, eight hundred two thousand, two hundred seventy-three".

Divisors: 1 3 11 33 64721281 194163843 711934091 2135802273