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71113103 = 711001593
BaseRepresentation
bin1000011110100…
…01100110001111
311221210220211122
410033101212033
5121201104403
611020111155
71522310555
oct417214617
9157726748
1071113103
1137161366
121b9954bb
131196b379
149631bd5
15639a838
hex43d198f

71113103 has 4 divisors (see below), whose sum is σ = 72114768. Its totient is φ = 70111440.

The previous prime is 71113073. The next prime is 71113111. The reversal of 71113103 is 30131117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30131117 = 49960383.

It is a cyclic number.

It is not a de Polignac number, because 71113103 - 212 = 71109007 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 (71113183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500726 + ... + 500867.

It is an arithmetic number, because the mean of its divisors is an integer number (18028692).

Almost surely, 271113103 is an apocalyptic number.

71113103 is a deficient number, since it is larger than the sum of its proper divisors (1001665).

71113103 is a wasteful number, since it uses less digits than its factorization.

71113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001664.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 71113103 is about 8432.8585307712. The cubic root of 71113103 is about 414.3015357131.

The spelling of 71113103 in words is "seventy-one million, one hundred thirteen thousand, one hundred three".

Divisors: 1 71 1001593 71113103