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11013222132 = 223311175310289
BaseRepresentation
bin10100100000111000…
…00110111011110100
31001102112022122121000
422100130012323310
5140023341102012
65020455323300
7536626562223
oct122034067364
931375278530
1011013222132
114741749880
122174380530
1310668a69b3
14766952cba
15446d01ddc
hex290706ef4

11013222132 has 192 divisors, whose sum is σ = 33606316800. Its totient is φ = 3081461760.

The previous prime is 11013222131. The next prime is 11013222169. The reversal of 11013222132 is 23122231011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013222131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1065244 + ... + 1075532.

It is an arithmetic number, because the mean of its divisors is an integer number (175032900).

Almost surely, 211013222132 is an apocalyptic number.

11013222132 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 11013222132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16803158400).

11013222132 is an abundant number, since it is smaller than the sum of its proper divisors (22593094668).

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

11013222132 is a wasteful number, since it uses less digits than its factorization.

11013222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10383 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11013222132 its reverse (23122231011), we get a palindrome (34135453143).

The spelling of 11013222132 in words is "eleven billion, thirteen million, two hundred twenty-two thousand, one hundred thirty-two".