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2003130320 = 24579316951
BaseRepresentation
bin111011101100101…
…0101011111010000
312011121020120012212
41313121111133100
513100300132240
6530434011252
7100432220042
oct16731253720
95147216185
102003130320
11938795504
1247aa16b28
1325c002119
14150071a92
15bacd0165
hex776557d0

2003130320 has 40 divisors (see below), whose sum is σ = 4716245760. Its totient is φ = 791107200.

The previous prime is 2003130277. The next prime is 2003130331. The reversal of 2003130320 is 230313002.

2003130320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2003130295 and 2003130304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152156 + ... + 164795.

It is an arithmetic number, because the mean of its divisors is an integer number (117906144).

Almost surely, 22003130320 is an apocalyptic number.

2003130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003130320 is an abundant number, since it is smaller than the sum of its proper divisors (2713115440).

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

2003130320 is a wasteful number, since it uses less digits than its factorization.

2003130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317043 (or 317037 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2003130320 is about 44756.3439078752. The cubic root of 2003130320 is about 1260.5780332628.

Adding to 2003130320 its reverse (230313002), we get a palindrome (2233443322).

The spelling of 2003130320 in words is "two billion, three million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 79 80 158 316 395 632 790 1264 1580 3160 6320 316951 633902 1267804 1584755 2535608 3169510 5071216 6339020 12678040 25039129 25356080 50078258 100156516 125195645 200313032 250391290 400626064 500782580 1001565160 2003130320