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2003213023 = 7761376049
BaseRepresentation
bin111011101100110…
…1001101011011111
312011121101202122221
41313121221223133
513100310304043
6530435450211
7100433013130
oct16731515337
95147352587
102003213023
11938841659
1247aa56967
1325c030966
14150093c87
15bace98ed
hex77669adf

2003213023 has 8 divisors (see below), whose sum is σ = 2292400800. Its totient is φ = 1714778880.

The previous prime is 2003213011. The next prime is 2003213027. The reversal of 2003213023 is 3203123002.

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

It is a cyclic number.

It is not a de Polignac number, because 2003213023 - 29 = 2003212511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003212988 and 2003213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003213027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182698 + ... + 193351.

It is an arithmetic number, because the mean of its divisors is an integer number (286550100).

Almost surely, 22003213023 is an apocalyptic number.

2003213023 is a deficient number, since it is larger than the sum of its proper divisors (289187777).

2003213023 is an equidigital number, since it uses as much as digits as its factorization.

2003213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376817.

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

The square root of 2003213023 is about 44757.2678232262. The cubic root of 2003213023 is about 1260.5953814685.

Adding to 2003213023 its reverse (3203123002), we get a palindrome (5206336025).

The spelling of 2003213023 in words is "two billion, three million, two hundred thirteen thousand, twenty-three".

Divisors: 1 7 761 5327 376049 2632343 286173289 2003213023