Search a number
-
+
2112120303 = 33161372311
BaseRepresentation
bin111110111100100…
…0110010111101111
312110012022211100220
41331321012113233
513311200322203
6545330022423
7103224504066
oct17571062757
95405284326
102112120303
11994267277
124ab417a13
13278772837
141607231dd
15c565d653
hex7de465ef

2112120303 has 16 divisors (see below), whose sum is σ = 2954668032. Its totient is φ = 1340316000.

The previous prime is 2112120301. The next prime is 2112120317. The reversal of 2112120303 is 3030212112.

It is not a de Polignac number, because 2112120303 - 21 = 2112120301 is a prime.

It is a super-2 number, since 2×21121203032 = 8922104348689623618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112120301) 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, 180483 + ... + 191828.

It is an arithmetic number, because the mean of its divisors is an integer number (184666752).

Almost surely, 22112120303 is an apocalyptic number.

2112120303 is a deficient number, since it is larger than the sum of its proper divisors (842547729).

2112120303 is a wasteful number, since it uses less digits than its factorization.

2112120303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372406.

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

The square root of 2112120303 is about 45957.8100326811. The cubic root of 2112120303 is about 1283.0380923945.

Adding to 2112120303 its reverse (3030212112), we get a palindrome (5142332415).

The spelling of 2112120303 in words is "two billion, one hundred twelve million, one hundred twenty thousand, three hundred three".

Divisors: 1 3 31 61 93 183 1891 5673 372311 1116933 11541641 22710971 34624923 68132913 704040101 2112120303