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21036264133080 = 23357221116955431
BaseRepresentation
bin1001100100001111000110…
…00011010001000111011000
32202111001021102020202122210
410302013203003101013120
510224124232104224310
6112423532030515120
74300551143562300
oct462074303210730
982431242222583
1021036264133080
11678047a763949
122438b76365aa0
13b97932660991
1452a236a36600
15267305135820
hex1321e30d11d8

21036264133080 has 192 divisors, whose sum is σ = 73760198503680. Its totient is φ = 4785500563200.

The previous prime is 21036264133057. The next prime is 21036264133103. The reversal of 21036264133080 is 8033146263012.

It is an interprime number because it is at equal distance from previous prime (21036264133057) and next prime (21036264133103).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7237036 + ... + 9718395.

It is an arithmetic number, because the mean of its divisors is an integer number (384167700540).

Almost surely, 221036264133080 is an apocalyptic number.

21036264133080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21036264133080 is an abundant number, since it is smaller than the sum of its proper divisors (52723934370600).

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

21036264133080 is a wasteful number, since it uses less digits than its factorization.

21036264133080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16955670 (or 16955659 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 21036264133080 in words is "twenty-one trillion, thirty-six billion, two hundred sixty-four million, one hundred thirty-three thousand, eighty".