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2112153013 = 6073479659
BaseRepresentation
bin111110111100100…
…1110010110110101
312110012101111020101
41331321032112311
513311202344023
6545330434101
7103225001335
oct17571162665
95405344211
102112153013
11994289903
124ab432931
132787846a9
141607310c5
15c56681ad
hex7de4e5b5

2112153013 has 4 divisors (see below), whose sum is σ = 2115633280. Its totient is φ = 2108672748.

The previous prime is 2112152989. The next prime is 2112153047. The reversal of 2112153013 is 3103512112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112153013 - 217 = 2112021941 is a prime.

It is a super-2 number, since 2×21121530132 = 8922380700649956338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112153613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739223 + ... + 1740436.

It is an arithmetic number, because the mean of its divisors is an integer number (528908320).

Almost surely, 22112153013 is an apocalyptic number.

It is an amenable number.

2112153013 is a deficient number, since it is larger than the sum of its proper divisors (3480267).

2112153013 is an equidigital number, since it uses as much as digits as its factorization.

2112153013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480266.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2112153013 is about 45958.1659011758. The cubic root of 2112153013 is about 1283.0447157482.

Adding to 2112153013 its reverse (3103512112), we get a palindrome (5215665125).

The spelling of 2112153013 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, thirteen".

Divisors: 1 607 3479659 2112153013