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2012153243 is a prime number
BaseRepresentation
bin111011111101111…
…0000010110011011
312012020012222100012
41313323300112123
513110102400433
6531355232135
7100602006662
oct16773602633
95166188305
102012153243
11942898571
12481a4864b
13260b41029
1415133ddd9
15bb9b3848
hex77ef059b

2012153243 has 2 divisors, whose sum is σ = 2012153244. Its totient is φ = 2012153242.

The previous prime is 2012153173. The next prime is 2012153249. The reversal of 2012153243 is 3423512102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012153243 - 214 = 2012136859 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012153249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006076621 + 1006076622.

It is an arithmetic number, because the mean of its divisors is an integer number (1006076622).

Almost surely, 22012153243 is an apocalyptic number.

2012153243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012153243 is an equidigital number, since it uses as much as digits as its factorization.

2012153243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2012153243 is about 44857.0311434005. The cubic root of 2012153243 is about 1262.4679191665.

Adding to 2012153243 its reverse (3423512102), we get a palindrome (5435665345).

The spelling of 2012153243 in words is "two billion, twelve million, one hundred fifty-three thousand, two hundred forty-three".