Search a number
-
+
11055232512 = 29391097
BaseRepresentation
bin10100100101111000…
…10111011000000000
31001112110101000000000
422102330113120000
5140120114420022
65025000000000
7540646632402
oct122274273000
931473330000
1011055232512
1147634328a5
122186460000
1310724c55cc
1476c36ab72
1544a84e6ac
hex292f17600

11055232512 has 200 divisors, whose sum is σ = 33162951096. Its totient is φ = 3681718272.

The previous prime is 11055232469. The next prime is 11055232519. The reversal of 11055232512 is 21523255011.

11055232512 is a `hidden beast` number, since 1 + 105 + 523 + 25 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055232519) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10077148 + ... + 10078244.

Almost surely, 211055232512 is an apocalyptic number.

11055232512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11055232512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16581475548).

11055232512 is an abundant number, since it is smaller than the sum of its proper divisors (22107718584).

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

11055232512 is an frugal number, since it uses more digits than its factorization.

11055232512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 11055232512 its reverse (21523255011), we get a palindrome (32578487523).

The spelling of 11055232512 in words is "eleven billion, fifty-five million, two hundred thirty-two thousand, five hundred twelve".