Search a number
-
+
11311300000 = 255571113113
BaseRepresentation
bin10101000100011010…
…01011110110100000
31002012022012120120001
422202031023312200
5141131143100000
65110224225344
7550206315010
oct124215136640
932168176501
1011311300000
114884a30120
12223816b254
1310b3580930
14794385c40
1546308146a
hex2a234bda0

11311300000 has 576 divisors, whose sum is σ = 37703086848. Its totient is φ = 3225600000.

The previous prime is 11311299959. The next prime is 11311300037. The reversal of 11311300000 is 311311.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 11311300000.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100099944 + ... + 100100056.

It is an arithmetic number, because the mean of its divisors is an integer number (65456748).

Almost surely, 211311300000 is an apocalyptic number.

11311300000 is a gapful number since it is divisible by the number (10) 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 11311300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18851543424).

11311300000 is an abundant number, since it is smaller than the sum of its proper divisors (26391786848).

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

11311300000 is a wasteful number, since it uses less digits than its factorization.

11311300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 11311300000 its reverse (311311), we get a palindrome (11311611311).

The spelling of 11311300000 in words is "eleven billion, three hundred eleven million, three hundred thousand".