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11024440420 = 2257211249429
BaseRepresentation
bin10100100010001101…
…11001110001100100
31001110022102121012011
422101012321301210
5140034224043140
65021540004004
7540124124500
oct122106716144
931408377164
1011024440420
114748011294
122178090604
131069003c36
14768233300
15447cbacea
hex2911b9c64

11024440420 has 36 divisors (see below), whose sum is σ = 26931135420. Its totient is φ = 3779807808.

The previous prime is 11024440409. The next prime is 11024440423. The reversal of 11024440420 is 2404442011.

It can be written as a sum of positive squares in 2 ways, for example, as 1177450596 + 9846989824 = 34314^2 + 99232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11024440391 and 11024440400.

It is not an unprimeable number, because it can be changed into a prime (11024440423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5623735 + ... + 5625694.

It is an arithmetic number, because the mean of its divisors is an integer number (748087095).

Almost surely, 211024440420 is an apocalyptic number.

11024440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11024440420 is an abundant number, since it is smaller than the sum of its proper divisors (15906695000).

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

11024440420 is a wasteful number, since it uses less digits than its factorization.

11024440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11249452 (or 11249443 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 11024440420 its reverse (2404442011), we get a palindrome (13428882431).

The spelling of 11024440420 in words is "eleven billion, twenty-four million, four hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 11249429 22498858 44997716 56247145 78746003 112494290 157492006 224988580 314984012 393730015 551222021 787460030 1102444042 1574920060 2204888084 2756110105 5512220210 11024440420