Search a number
-
+
11230233312 = 253116981597
BaseRepresentation
bin10100111010101111…
…11100001011100000
31001222122122221222010
422131113330023200
5140444414431222
65054210512520
7545203256664
oct123527741340
931878587863
1011230233312
1148431a0561
122214b95740
13109c838b8c
147876c28a4
1545adbb80c
hex29d5fc2e0

11230233312 has 24 divisors (see below), whose sum is σ = 29479362696. Its totient is φ = 3743411072.

The previous prime is 11230233307. The next prime is 11230233317. The reversal of 11230233312 is 21333203211.

It is an interprime number because it is at equal distance from previous prime (11230233307) and next prime (11230233317).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×112302333122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230233317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58490703 + ... + 58490894.

It is an arithmetic number, because the mean of its divisors is an integer number (1228306779).

Almost surely, 211230233312 is an apocalyptic number.

11230233312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11230233312 is an abundant number, since it is smaller than the sum of its proper divisors (18249129384).

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

11230233312 is a wasteful number, since it uses less digits than its factorization.

11230233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116981610 (or 116981602 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11230233312 its reverse (21333203211), we get a palindrome (32563436523).

The spelling of 11230233312 in words is "eleven billion, two hundred thirty million, two hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 116981597 233963194 350944791 467926388 701889582 935852776 1403779164 1871705552 2807558328 3743411104 5615116656 11230233312