Search a number
-
+
2120113023 = 37727138869
BaseRepresentation
bin111111001011110…
…0101101101111111
312110202100220022120
41332113211231333
513320222104043
6550213214023
7103352443350
oct17627455577
95422326276
102120113023
11998826326
124b2031313
1327a310862
14161803d27
15c61db983
hex7e5e5b7f

2120113023 has 16 divisors (see below), whose sum is σ = 3235115520. Its totient is φ = 1209818016.

The previous prime is 2120113013. The next prime is 2120113031. The reversal of 2120113023 is 3203110212.

It is not a de Polignac number, because 2120113023 - 24 = 2120113007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120112993 and 2120113011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120113013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54168 + ... + 84701.

It is an arithmetic number, because the mean of its divisors is an integer number (202194720).

Almost surely, 22120113023 is an apocalyptic number.

2120113023 is a deficient number, since it is larger than the sum of its proper divisors (1115002497).

2120113023 is a wasteful number, since it uses less digits than its factorization.

2120113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139606.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120113023 is about 46044.6850678773. The cubic root of 2120113023 is about 1284.6544863829.

Adding to 2120113023 its reverse (3203110212), we get a palindrome (5323223235).

The spelling of 2120113023 in words is "two billion, one hundred twenty million, one hundred thirteen thousand, twenty-three".

Divisors: 1 3 7 21 727 2181 5089 15267 138869 416607 972083 2916249 100957763 302873289 706704341 2120113023