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11113230020020 = 2251211574586293
BaseRepresentation
bin1010000110111000000000…
…1000001010110110110100
31110100102012002220200011121
42201232000020022312310
52424034343341120040
635345203011513324
72224622125364632
oct241560010126664
943312162820147
1011113230020020
1135a5104696957
1212b599a2b8844
13627c85b708bb
142a5c5171a352
1514413212ec4a
hexa1b8020adb4

11113230020020 has 24 divisors (see below), whose sum is σ = 23337980754984. Its totient is φ = 4445254348416.

The previous prime is 11113230019987. The next prime is 11113230020051. The reversal of 11113230020020 is 2002003231111.

It can be written as a sum of positive squares in 4 ways, for example, as 93512416804 + 11019717603216 = 305798^2 + 3319596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11113230019976 and 11113230020003.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 129994 + ... + 4716286.

It is an arithmetic number, because the mean of its divisors is an integer number (972415864791).

Almost surely, 211113230020020 is an apocalyptic number.

11113230020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113230020020 is an abundant number, since it is smaller than the sum of its proper divisors (12224750734964).

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

11113230020020 is a wasteful number, since it uses less digits than its factorization.

11113230020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707459 (or 4707457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11113230020020 its reverse (2002003231111), we get a palindrome (13115233251131).

The spelling of 11113230020020 in words is "eleven trillion, one hundred thirteen billion, two hundred thirty million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 121157 242314 484628 605785 1211570 2423140 4586293 9172586 18345172 22931465 45862930 91725860 555661501001 1111323002002 2222646004004 2778307505005 5556615010010 11113230020020