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71349320407 = 374147033171
BaseRepresentation
bin100001001110011000…
…0000011101011010111
320211011110100000111111
41002130300003223113
52132110411223112
652435531315451
75104050134251
oct1023460035327
9224143300444
1071349320407
1128293916502
12119b28abb87
136960b605b1
14364bcd4cd1
151cc8ce45a7
hex109cc03ad7

71349320407 has 8 divisors (see below), whose sum is σ = 75064942512. Its totient is φ = 67727764800.

The previous prime is 71349320369. The next prime is 71349320443. The reversal of 71349320407 is 70402394317.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71349320407 is a prime.

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 71349320407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71349324407) 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, 23515069 + ... + 23518102.

It is an arithmetic number, because the mean of its divisors is an integer number (9383117814).

Almost surely, 271349320407 is an apocalyptic number.

71349320407 is a deficient number, since it is larger than the sum of its proper divisors (3715622105).

71349320407 is a wasteful number, since it uses less digits than its factorization.

71349320407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47033249.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 71349320407 in words is "seventy-one billion, three hundred forty-nine million, three hundred twenty thousand, four hundred seven".

Divisors: 1 37 41 1517 47033171 1740227327 1928360011 71349320407