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2130034243 = 4253500831
BaseRepresentation
bin111111011110101…
…1011111001000011
312111110000221200011
41332331123321003
513330242043433
6551210005351
7103532664241
oct17675337103
95443027604
102130034243
119a3392287
124b5416857
1327c3a55bc
14162c67791
15c6eeb3cd
hex7ef5be43

2130034243 has 4 divisors (see below), whose sum is σ = 2130539328. Its totient is φ = 2129529160.

The previous prime is 2130034217. The next prime is 2130034259. The reversal of 2130034243 is 3424300312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2130034243 - 229 = 1593163331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130034213) 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, 246163 + ... + 254668.

It is an arithmetic number, because the mean of its divisors is an integer number (532634832).

Almost surely, 22130034243 is an apocalyptic number.

2130034243 is a deficient number, since it is larger than the sum of its proper divisors (505085).

2130034243 is an equidigital number, since it uses as much as digits as its factorization.

2130034243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505084.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2130034243 is about 46152.2940166575. The cubic root of 2130034243 is about 1286.6552461319.

Adding to 2130034243 its reverse (3424300312), we get a palindrome (5554334555).

The spelling of 2130034243 in words is "two billion, one hundred thirty million, thirty-four thousand, two hundred forty-three".

Divisors: 1 4253 500831 2130034243