Search a number
-
+
11230211132 = 227401078969
BaseRepresentation
bin10100111010101111…
…10110110000111100
31001222122121211112122
422131113312300330
5140444413224012
65054210222112
7545203135220
oct123527666074
931878554478
1011230211132
114843185928
122214b84938
13109c82ba5a
147876b8780
1545adb4e72
hex29d5f6c3c

11230211132 has 12 divisors (see below), whose sum is σ = 22460422320. Its totient is φ = 4812947616.

The previous prime is 11230211131. The next prime is 11230211137. The reversal of 11230211132 is 23111203211.

11230211132 is an admirable number.

It is a super-2 number, since 2×112302111322 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11230211132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230211131) 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, 200539457 + ... + 200539512.

It is an arithmetic number, because the mean of its divisors is an integer number (1871701860).

Almost surely, 211230211132 is an apocalyptic number.

It is an amenable number.

11230211132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11230211132 is a wasteful number, since it uses less digits than its factorization.

11230211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401078980 (or 401078978 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11230211132 its reverse (23111203211), we get a palindrome (34341414343).

The spelling of 11230211132 in words is "eleven billion, two hundred thirty million, two hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 401078969 802157938 1604315876 2807552783 5615105566 11230211132