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2130230203 = 17149840991
BaseRepresentation
bin111111011111000…
…1011101110111011
312111110101220110221
41332332023232323
513330314331303
6551214120511
7103534441453
oct17676135673
95443356427
102130230203
119a3506532
124b54b0137
1327c44385a
14162cb8d63
15c70394bd
hex7ef8bbbb

2130230203 has 8 divisors (see below), whose sum is σ = 2270678400. Its totient is φ = 1991464320.

The previous prime is 2130230189. The next prime is 2130230213. The reversal of 2130230203 is 3020320312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2130230203 - 25 = 2130230171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130230213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417963 + ... + 423028.

It is an arithmetic number, because the mean of its divisors is an integer number (283834800).

Almost surely, 22130230203 is an apocalyptic number.

2130230203 is a deficient number, since it is larger than the sum of its proper divisors (140448197).

2130230203 is a wasteful number, since it uses less digits than its factorization.

2130230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841157.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2130230203 is about 46154.4169392270. The cubic root of 2130230203 is about 1286.6947017152.

Adding to 2130230203 its reverse (3020320312), we get a palindrome (5150550515).

The spelling of 2130230203 in words is "two billion, one hundred thirty million, two hundred thirty thousand, two hundred three".

Divisors: 1 17 149 2533 840991 14296847 125307659 2130230203