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20013130021033 = 232173740030183
BaseRepresentation
bin1001000110011101010111…
…00000010111100010101001
32121212020101102220200110001
410203032223200113202221
510110343342241133113
6110321523252023001
74133621006245402
oct443165340274251
977766342820401
1020013130021033
116416580179196
1222b2818901a61
13b222cb5aa956
144d28d7d909a9
1524a8c291c7dd
hex1233ab8178a9

20013130021033 has 8 divisors (see below), whose sum is σ = 20884227355008. Its totient is φ = 19142112790944.

The previous prime is 20013130021009. The next prime is 20013130021063. The reversal of 20013130021033 is 33012003131002.

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 20013130021033 - 233 = 20004540086441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20013130021033.

It is not an unprimeable number, because it can be changed into a prime (20013130021063) 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, 19515141 + ... + 20515042.

It is an arithmetic number, because the mean of its divisors is an integer number (2610528419376).

Almost surely, 220013130021033 is an apocalyptic number.

20013130021033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20013130021033 is a deficient number, since it is larger than the sum of its proper divisors (871097333975).

20013130021033 is a wasteful number, since it uses less digits than its factorization.

20013130021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40051943.

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

Adding to 20013130021033 its reverse (33012003131002), we get a palindrome (53025133152035).

The spelling of 20013130021033 in words is "twenty trillion, thirteen billion, one hundred thirty million, twenty-one thousand, thirty-three".

Divisors: 1 23 21737 499951 40030183 920694209 870136087871 20013130021033