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2112503011 = 172192343389
BaseRepresentation
bin111110111101010…
…0011110011100011
312110020001021100021
41331322203303203
513311300044021
6545342134311
7103230656623
oct17572436343
95406037307
102112503011
119944a8863
124ab581397
13278877aa8
141607c2883
15c56d6c41
hex7dea3ce3

2112503011 has 48 divisors (see below), whose sum is σ = 2528697600. Its totient is φ = 1755274752.

The previous prime is 2112503009. The next prime is 2112503039. The reversal of 2112503011 is 1103052112.

It is not a de Polignac number, because 2112503011 - 21 = 2112503009 is a prime.

It is a super-2 number, since 2×21125030112 = 8925337942968132242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112503111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5430405 + ... + 5430793.

It is an arithmetic number, because the mean of its divisors is an integer number (52681200).

Almost surely, 22112503011 is an apocalyptic number.

2112503011 is a deficient number, since it is larger than the sum of its proper divisors (416194589).

2112503011 is a wasteful number, since it uses less digits than its factorization.

2112503011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2112503011 is about 45961.9735324757. The cubic root of 2112503011 is about 1283.1155815551.

Adding to 2112503011 its reverse (1103052112), we get a palindrome (3215555123).

The spelling of 2112503011 in words is "two billion, one hundred twelve million, five hundred three thousand, eleven".

Divisors: 1 17 19 23 43 289 323 389 391 437 731 817 989 5491 6613 6647 7391 7429 8947 12427 13889 16727 16813 18791 112421 125647 126293 152099 169993 236113 284359 285821 317813 319447 384721 2135999 2585683 2889881 4834103 5402821 5430599 6540257 7309699 49127977 91847957 111184369 124264883 2112503011