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71418853191 = 373400897771
BaseRepresentation
bin100001010000011100…
…1010011011101000111
320211100022011122112210
41002200321103131013
52132231211300231
652450453514503
75105553143610
oct1024071233507
9224308148483
1071418853191
112831a098514
1211a12042a33
13697239755a
143657234c07
151ccee7ba46
hex10a0e53747

71418853191 has 8 divisors (see below), whose sum is σ = 108828728704. Its totient is φ = 40810773240.

The previous prime is 71418853151. The next prime is 71418853229. The reversal of 71418853191 is 19135881417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71418853191 - 214 = 71418836807 is a prime.

It is a super-2 number, since 2×714188531912 (a number of 23 digits) contains 22 as substring.

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 71418853191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71418853111) 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 7 ways as a sum of consecutive naturals, for example, 1700448865 + ... + 1700448906.

It is an arithmetic number, because the mean of its divisors is an integer number (13603591088).

Almost surely, 271418853191 is an apocalyptic number.

71418853191 is a deficient number, since it is larger than the sum of its proper divisors (37409875513).

71418853191 is a wasteful number, since it uses less digits than its factorization.

71418853191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400897781.

The product of its digits is 241920, while the sum is 48.

The spelling of 71418853191 in words is "seventy-one billion, four hundred eighteen million, eight hundred fifty-three thousand, one hundred ninety-one".

Divisors: 1 3 7 21 3400897771 10202693313 23806284397 71418853191