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11230003212 = 2231069875429
BaseRepresentation
bin10100111010101110…
…00100000000001100
31001222122020021022220
422131113010000030
5140444340100322
65054201535340
7545201311101
oct123527040014
931878207286
1011230003212
11484305369a
122214aa4550
13109c78821c
14787662aa8
1545ad7355c
hex29d5c400c

11230003212 has 24 divisors (see below), whose sum is σ = 26227882800. Its totient is φ = 3739828416.

The previous prime is 11230003159. The next prime is 11230003243. The reversal of 11230003212 is 21230003211.

It is a super-2 number, since 2×112300032122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230003191 and 11230003200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424887 + ... + 450542.

It is an arithmetic number, because the mean of its divisors is an integer number (1092828450).

Almost surely, 211230003212 is an apocalyptic number.

11230003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11230003212 is an abundant number, since it is smaller than the sum of its proper divisors (14997879588).

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

11230003212 is a wasteful number, since it uses less digits than its factorization.

11230003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876505 (or 876503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11230003212 its reverse (21230003211), we get a palindrome (32460006423).

Subtracting 11230003212 from its reverse (21230003211), we obtain a palindrome (9999999999).

The spelling of 11230003212 in words is "eleven billion, two hundred thirty million, three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1069 2138 3207 4276 6414 12828 875429 1750858 2626287 3501716 5252574 10505148 935833601 1871667202 2807500803 3743334404 5615001606 11230003212