Search a number
-
+
2120233444 = 22775722623
BaseRepresentation
bin111111001100000…
…0011000111100100
312110202121000111121
41332120003013210
513320234432234
6550215543324
7103353454420
oct17630030744
95422530447
102120233444
119988a884a
124b208ab44
1327a353604
14161835b80
15c62124b4
hex7e6031e4

2120233444 has 12 divisors (see below), whose sum is σ = 4240466944. Its totient is φ = 908671464.

The previous prime is 2120233433. The next prime is 2120233477. The reversal of 2120233444 is 4443320212.

It is a happy number.

2120233444 is an admirable number.

It is a super-2 number, since 2×21202334442 = 8990779714112202272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37861284 + ... + 37861339.

Almost surely, 22120233444 is an apocalyptic number.

It is an amenable number.

2120233444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120233444 is a wasteful number, since it uses less digits than its factorization.

2120233444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75722634 (or 75722632 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2120233444 is about 46045.9927029486. The cubic root of 2120233444 is about 1284.6788084272.

Adding to 2120233444 its reverse (4443320212), we get a palindrome (6563553656).

The spelling of 2120233444 in words is "two billion, one hundred twenty million, two hundred thirty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 75722623 151445246 302890492 530058361 1060116722 2120233444