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11231010320 = 245140387629
BaseRepresentation
bin10100111010110101…
…11001111000010000
31001222201010102211012
422131122321320100
5141000114312240
65054235310052
7545213004215
oct123532717020
931881112735
1011231010320
114843681312
1222152ab328
13109ca4b74a
14787845b0c
1545aec1b65
hex29d6b9e10

11231010320 has 20 divisors (see below), whose sum is σ = 26112099180. Its totient is φ = 4492404096.

The previous prime is 11231010289. The next prime is 11231010379. The reversal of 11231010320 is 2301013211.

11231010320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4886569216 + 6344441104 = 69904^2 + 79652^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×112310103202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231010295 and 11231010304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70193735 + ... + 70193894.

It is an arithmetic number, because the mean of its divisors is an integer number (1305604959).

Almost surely, 211231010320 is an apocalyptic number.

11231010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231010320 is an abundant number, since it is smaller than the sum of its proper divisors (14881088860).

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

11231010320 is a wasteful number, since it uses less digits than its factorization.

11231010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140387642 (or 140387636 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11231010320 its reverse (2301013211), we get a palindrome (13532023531).

The spelling of 11231010320 in words is "eleven billion, two hundred thirty-one million, ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 140387629 280775258 561550516 701938145 1123101032 1403876290 2246202064 2807752580 5615505160 11231010320