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2112153112 = 232321373643
BaseRepresentation
bin111110111100100…
…1110011000011000
312110012101111101001
41331321032120120
513311202344422
6545330434344
7103225001536
oct17571163030
95405344331
102112153112
11994289993
124ab4329b4
13278784754
14160731156
15c5668227
hex7de4e618

2112153112 has 48 divisors (see below), whose sum is σ = 4171323240. Its totient is φ = 1002511488.

The previous prime is 2112153061. The next prime is 2112153137. The reversal of 2112153112 is 2113512112.

It is a super-2 number, since 2×21121531122 = 8922381537062569088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112153112.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 577963 + ... + 581605.

Almost surely, 22112153112 is an apocalyptic number.

It is an amenable number.

2112153112 is a deficient number, since it is larger than the sum of its proper divisors (2059170128).

2112153112 is a wasteful number, since it uses less digits than its factorization.

2112153112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3805 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 2112153112 is about 45958.1669782423. The cubic root of 2112153112 is about 1283.0447357943.

Adding to 2112153112 its reverse (2113512112), we get a palindrome (4225665224).

The spelling of 2112153112 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, one hundred twelve".