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21300301300302 = 2324792470459441
BaseRepresentation
bin1001101011111010111001…
…11001001000001001001110
32210102021210121202121012100
410311331130321020021032
510242441004113102202
6113145120123415530
74325616215506653
oct465753471101116
983367717677170
1021300301300302
116872452871642
1224801839845a6
13bb67c0942a7b
14538d23837c2a
1526e10a47541c
hex135f5ce4824e

21300301300302 has 24 divisors (see below), whose sum is σ = 46247000754240. Its totient is φ = 7085277673920.

The previous prime is 21300301300297. The next prime is 21300301300303. The reversal of 21300301300302 is 20300310300312.

21300301300302 is a `hidden beast` number, since 2 + 1 + 30 + 0 + 30 + 1 + 300 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300301300303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1235221099 + ... + 1235238342.

It is an arithmetic number, because the mean of its divisors is an integer number (1926958364760).

Almost surely, 221300301300302 is an apocalyptic number.

21300301300302 is an abundant number, since it is smaller than the sum of its proper divisors (24946699453938).

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

21300301300302 is a wasteful number, since it uses less digits than its factorization.

21300301300302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470459928 (or 2470459925 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 21300301300302 its reverse (20300310300312), we get a palindrome (41600611600614).

The spelling of 21300301300302 in words is "twenty-one trillion, three hundred billion, three hundred one million, three hundred thousand, three hundred two".

Divisors: 1 2 3 6 9 18 479 958 1437 2874 4311 8622 2470459441 4940918882 7411378323 14822756646 22234134969 44468269938 1183350072239 2366700144478 3550050216717 7100100433434 10650150650151 21300301300302