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11230203012 = 2237449297757
BaseRepresentation
bin10100111010101111…
…10100110010000100
31001222122121102101220
422131113310302010
5140444412444022
65054210120340
7545203102440
oct123527646204
931878542356
1011230203012
11484317a816
122214b800b0
13109c828152
147876b5820
1545adb285c
hex29d5f4c84

11230203012 has 48 divisors (see below), whose sum is σ = 30014006400. Its totient is φ = 3201472512.

The previous prime is 11230203011. The next prime is 11230203041. The reversal of 11230203012 is 21030203211.

11230203012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112302030122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230202982 and 11230203000.

It is not an unprimeable number, because it can be changed into a prime (11230203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111163 + ... + 186594.

It is an arithmetic number, because the mean of its divisors is an integer number (625291800).

Almost surely, 211230203012 is an apocalyptic number.

11230203012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11230203012 is an abundant number, since it is smaller than the sum of its proper divisors (18783803388).

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

11230203012 is a wasteful number, since it uses less digits than its factorization.

11230203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298220 (or 298218 counting only the distinct ones).

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

Adding to 11230203012 its reverse (21030203211), we get a palindrome (32260406223).

The spelling of 11230203012 in words is "eleven billion, two hundred thirty million, two hundred three thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 449 898 1347 1796 2694 3143 5388 6286 9429 12572 18858 37716 297757 595514 893271 1191028 1786542 2084299 3573084 4168598 6252897 8337196 12505794 25011588 133692893 267385786 401078679 534771572 802157358 935850251 1604314716 1871700502 2807550753 3743401004 5615101506 11230203012