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11313020302220 = 22571323991128549
BaseRepresentation
bin1010010010100000010010…
…0011100111001110001100
31111001111212211120120221002
42210220010203213032030
52440323031144132340
640021044010555432
72245224121641530
oct244500443471614
944044784516832
1011313020302220
113671909037a5a
121328657738b78
13640a758b24b0
142b17a5a09bc0
15149426e7a715
hexa4a048e738c

11313020302220 has 192 divisors, whose sum is σ = 29395408896000. Its totient is φ = 3561365283840.

The previous prime is 11313020302151. The next prime is 11313020302261. The reversal of 11313020302220 is 2220302031311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11313020302192 and 11313020302201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 396252506 + ... + 396281054.

It is an arithmetic number, because the mean of its divisors is an integer number (153101088000).

Almost surely, 211313020302220 is an apocalyptic number.

11313020302220 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 11313020302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14697704448000).

11313020302220 is an abundant number, since it is smaller than the sum of its proper divisors (18082388593780).

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

11313020302220 is a wasteful number, since it uses less digits than its factorization.

11313020302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29728 (or 29726 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11313020302220 its reverse (2220302031311), we get a palindrome (13533322333531).

The spelling of 11313020302220 in words is "eleven trillion, three hundred thirteen billion, twenty million, three hundred two thousand, two hundred twenty".