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2003130312 = 23383463763
BaseRepresentation
bin111011101100101…
…0101011111001000
312011121020120012120
41313121111133020
513100300132222
6530434011240
7100432220031
oct16731253710
95147216176
102003130312
119387954a7
1247aa16b20
1325c002111
14150071a88
15bacd015c
hex776557c8

2003130312 has 16 divisors (see below), whose sum is σ = 5007825840. Its totient is φ = 667710096.

The previous prime is 2003130277. The next prime is 2003130331. The reversal of 2003130312 is 2130313002.

It is a junction number, because it is equal to n+sod(n) for n = 2003130291 and 2003130300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41731858 + ... + 41731905.

It is an arithmetic number, because the mean of its divisors is an integer number (312989115).

Almost surely, 22003130312 is an apocalyptic number.

It is an amenable number.

2003130312 is an abundant number, since it is smaller than the sum of its proper divisors (3004695528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003130312 is a wasteful number, since it uses less digits than its factorization.

2003130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83463772 (or 83463768 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2003130312 is about 44756.3438185024. The cubic root of 2003130312 is about 1260.5780315846.

Adding to 2003130312 its reverse (2130313002), we get a palindrome (4133443314).

The spelling of 2003130312 in words is "two billion, three million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 83463763 166927526 250391289 333855052 500782578 667710104 1001565156 2003130312