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11301120020 = 225565056001
BaseRepresentation
bin10101000011001100…
…10110100000010100
31002011121001101020202
422201212112200110
5141121041320040
65105222120032
7550023635531
oct124146264024
932147041222
1011301120020
11487a207813
122234880018
1310b1428188
14792c95d88
15462220015
hex2a1996814

11301120020 has 12 divisors (see below), whose sum is σ = 23732352084. Its totient is φ = 4520448000.

The previous prime is 11301119983. The next prime is 11301120041. The reversal of 11301120020 is 2002110311.

It can be written as a sum of positive squares in 2 ways, for example, as 3312693136 + 7988426884 = 57556^2 + 89378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11301119983 and 11301120010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282527981 + ... + 282528020.

It is an arithmetic number, because the mean of its divisors is an integer number (1977696007).

Almost surely, 211301120020 is an apocalyptic number.

11301120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301120020 is an abundant number, since it is smaller than the sum of its proper divisors (12431232064).

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

11301120020 is a wasteful number, since it uses less digits than its factorization.

11301120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565056010 (or 565056008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11301120020 its reverse (2002110311), we get a palindrome (13303230331).

The spelling of 11301120020 in words is "eleven billion, three hundred one million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 565056001 1130112002 2260224004 2825280005 5650560010 11301120020