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21020033013301 = 78571735032279
BaseRepresentation
bin1001100011110000110111…
…00110011101011000110101
32202102111101020112110010101
410301320123212131120311
510223343011422411201
6112412245253354101
74266435004413340
oct461703346353065
982374336473111
1021020033013301
116774600710373
1224359a6638931
13b96246a458aa
14529537101457
15266ba51d9d01
hex131e1b99d635

21020033013301 has 8 divisors (see below), whose sum is σ = 24023175816320. Its totient is φ = 18016960446288.

The previous prime is 21020033013227. The next prime is 21020033013307. The reversal of 21020033013301 is 10331033002012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21020033013301 - 223 = 21020024624693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020033013307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16916121 + ... + 18116158.

It is an arithmetic number, because the mean of its divisors is an integer number (3002896977040).

Almost surely, 221020033013301 is an apocalyptic number.

It is an amenable number.

21020033013301 is a deficient number, since it is larger than the sum of its proper divisors (3003142803019).

21020033013301 is an equidigital number, since it uses as much as digits as its factorization.

21020033013301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35118003.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21020033013301 its reverse (10331033002012), we get a palindrome (31351066015313).

The spelling of 21020033013301 in words is "twenty-one trillion, twenty billion, thirty-three million, thirteen thousand, three hundred one".

Divisors: 1 7 85717 600019 35032279 245225953 3002861859043 21020033013301