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13220011171 is a prime number
BaseRepresentation
bin11000100111111100…
…10101110010100011
31021010022210011001101
430103332111302203
5204033310324141
610023450415231
7645414145423
oct142376256243
937108704041
1013220011171
115674396074
12268b431517
131328b44523
148d5a7a483
15525910531
hex313f95ca3

13220011171 has 2 divisors, whose sum is σ = 13220011172. Its totient is φ = 13220011170.

The previous prime is 13220011109. The next prime is 13220011213. The reversal of 13220011171 is 17111002231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13220011171 - 27 = 13220011043 is a prime.

It is a super-2 number, since 2×132200111712 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13220011771) by changing a digit.

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 as a sum of consecutive naturals, namely, 6610005585 + 6610005586.

It is an arithmetic number, because the mean of its divisors is an integer number (6610005586).

Almost surely, 213220011171 is an apocalyptic number.

13220011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220011171 is an equidigital number, since it uses as much as digits as its factorization.

13220011171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

The spelling of 13220011171 in words is "thirteen billion, two hundred twenty million, eleven thousand, one hundred seventy-one".