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17145743143 is a prime number
BaseRepresentation
bin11111111011111011…
…10100011100100111
31122020220201222220211
433331331310130213
5240103302240033
611513204440251
71144613261224
oct177575643447
948226658824
1017145743143
1172a9363661
1233a60a9087
131803261859
14b891ba94b
156a53b52cd
hex3fdf74727

17145743143 has 2 divisors, whose sum is σ = 17145743144. Its totient is φ = 17145743142.

The previous prime is 17145743141. The next prime is 17145743149. The reversal of 17145743143 is 34134754171.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17145743143 - 21 = 17145743141 is a prime.

Together with 17145743141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 17145743096 and 17145743105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17145743141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8572871571 + 8572871572.

It is an arithmetic number, because the mean of its divisors is an integer number (8572871572).

Almost surely, 217145743143 is an apocalyptic number.

17145743143 is a deficient number, since it is larger than the sum of its proper divisors (1).

17145743143 is an equidigital number, since it uses as much as digits as its factorization.

17145743143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The spelling of 17145743143 in words is "seventeen billion, one hundred forty-five million, seven hundred forty-three thousand, one hundred forty-three".