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20013134214751 = 172379601304021
BaseRepresentation
bin1001000110011101010111…
…10000010111011001011111
32121212020101201210202010221
410203032223300113121133
510110343344324333001
6110321523521542211
74133621060013106
oct443165360273137
977766351722127
1020013134214751
116416582582a77
1222b281a1a4967
13b222cc418742
144d28d876303d
1524a8c2e9a1a1
hex1233abc1765f

20013134214751 has 24 divisors (see below), whose sum is σ = 21351258325040. Its totient is φ = 18754872192000.

The previous prime is 20013134214691. The next prime is 20013134214833. The reversal of 20013134214751 is 15741243131002.

It is not a de Polignac number, because 20013134214751 - 211 = 20013134212703 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 (20013134214851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65676121 + ... + 65980141.

Almost surely, 220013134214751 is an apocalyptic number.

20013134214751 is a deficient number, since it is larger than the sum of its proper divisors (1338124110289).

20013134214751 is a wasteful number, since it uses less digits than its factorization.

20013134214751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305035 (or 305018 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 20013134214751 its reverse (15741243131002), we get a palindrome (35754377345753).

The spelling of 20013134214751 in words is "twenty trillion, thirteen billion, one hundred thirty-four million, two hundred fourteen thousand, seven hundred fifty-one".

Divisors: 1 17 289 379 601 6443 10217 109531 173689 227779 304021 3872243 5168357 65828131 87862069 115223959 182716621 1958807303 3106182557 33299724151 52805103469 69249599359 1177243189103 20013134214751