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11313322420 = 225565666121
BaseRepresentation
bin10101000100101001…
…11001100110110100
31002012110000022210111
422202110321212310
5141132202304140
65110335432404
7550232440201
oct124224714664
932173008714
1011313322420
114886091644
122238985704
1310b3b0b32a
14794750ca8
154633307ea
hex2a25399b4

11313322420 has 12 divisors (see below), whose sum is σ = 23757977124. Its totient is φ = 4525328960.

The previous prime is 11313322411. The next prime is 11313322429. The reversal of 11313322420 is 2422331311.

It is an interprime number because it is at equal distance from previous prime (11313322411) and next prime (11313322429).

It can be written as a sum of positive squares in 2 ways, for example, as 2457383184 + 8855939236 = 49572^2 + 94106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11313322391 and 11313322400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313322429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282833041 + ... + 282833080.

It is an arithmetic number, because the mean of its divisors is an integer number (1979831427).

Almost surely, 211313322420 is an apocalyptic number.

11313322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313322420 is an abundant number, since it is smaller than the sum of its proper divisors (12444654704).

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

11313322420 is a wasteful number, since it uses less digits than its factorization.

11313322420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565666130 (or 565666128 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11313322420 its reverse (2422331311), we get a palindrome (13735653731).

The spelling of 11313322420 in words is "eleven billion, three hundred thirteen million, three hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 565666121 1131332242 2262664484 2828330605 5656661210 11313322420