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2003100253 = 72114438389
BaseRepresentation
bin111011101100100…
…1110001001011101
312011121012000222021
41313121032021131
513100243202003
6530433220141
7100432033300
oct16731161135
95147160867
102003100253
11938774960
1247aa01651
1325bcc152b
14150064b37
15bacc62bd
hex7764e25d

2003100253 has 24 divisors (see below), whose sum is σ = 2548009440. Its totient is φ = 1557148320.

The previous prime is 2003100233. The next prime is 2003100257. The reversal of 2003100253 is 3520013002.

It is not a de Polignac number, because 2003100253 - 29 = 2003099741 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 (2003100257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234583 + ... + 242971.

It is an arithmetic number, because the mean of its divisors is an integer number (106167060).

Almost surely, 22003100253 is an apocalyptic number.

It is an amenable number.

2003100253 is a deficient number, since it is larger than the sum of its proper divisors (544909187).

2003100253 is a wasteful number, since it uses less digits than its factorization.

2003100253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857 (or 8850 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2003100253 is about 44756.0080100985. The cubic root of 2003100253 is about 1260.5717261362.

Adding to 2003100253 its reverse (3520013002), we get a palindrome (5523113255).

The spelling of 2003100253 in words is "two billion, three million, one hundred thousand, two hundred fifty-three".

Divisors: 1 7 11 49 77 443 539 3101 4873 8389 21707 34111 58723 92279 238777 411061 645953 3716327 4521671 26014289 40879597 182100023 286157179 2003100253