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2003130143 = 7240880207
BaseRepresentation
bin111011101100101…
…0101011100011111
312011121020112222022
41313121111130133
513100300131033
6530434010355
7100432216400
oct16731253437
95147215868
102003130143
11938795363
1247aa169bb
1325c002011
141500719a7
15bacd0098
hex7765571f

2003130143 has 6 divisors (see below), whose sum is σ = 2330171856. Its totient is φ = 1716968652.

The previous prime is 2003130127. The next prime is 2003130149. The reversal of 2003130143 is 3410313002.

It is a happy number.

It is not a de Polignac number, because 2003130143 - 24 = 2003130127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003130149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20440055 + ... + 20440152.

It is an arithmetic number, because the mean of its divisors is an integer number (388361976).

Almost surely, 22003130143 is an apocalyptic number.

2003130143 is a deficient number, since it is larger than the sum of its proper divisors (327041713).

2003130143 is an equidigital number, since it uses as much as digits as its factorization.

2003130143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40880221 (or 40880214 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2003130143 is about 44756.3419305019. The cubic root of 2003130143 is about 1260.5779961338.

Adding to 2003130143 its reverse (3410313002), we get a palindrome (5413443145).

The spelling of 2003130143 in words is "two billion, three million, one hundred thirty thousand, one hundred forty-three".

Divisors: 1 7 49 40880207 286161449 2003130143