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71115425413 = 1935966115773
BaseRepresentation
bin100001000111011001…
…1110100011010000101
320210120011012220212221
41002032303310122011
52131121022103123
652400414212341
75065210066534
oct1021663643205
9223504186787
1071115425413
112818389275a
12119484b40b1
1369245694a6
143628c0c31b
151cb34e225d
hex108ecf4685

71115425413 has 16 divisors (see below), whose sum is σ = 75185193600. Its totient is φ = 67078946880.

The previous prime is 71115425393. The next prime is 71115425431. The reversal of 71115425413 is 31452451117.

It is a cyclic number.

It is not a de Polignac number, because 71115425413 - 29 = 71115424901 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 (71115465413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4500795 + ... + 4516567.

It is an arithmetic number, because the mean of its divisors is an integer number (4699074600).

Almost surely, 271115425413 is an apocalyptic number.

It is an amenable number.

71115425413 is a deficient number, since it is larger than the sum of its proper divisors (4069768187).

71115425413 is a wasteful number, since it uses less digits than its factorization.

71115425413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812.

The product of its digits is 16800, while the sum is 34.

The spelling of 71115425413 in words is "seventy-one billion, one hundred fifteen million, four hundred twenty-five thousand, four hundred thirteen".

Divisors: 1 19 359 661 6821 12559 15773 237299 299687 4508681 5662507 10425953 107587633 198093107 3742917127 71115425413