Search a number
-
+
71100064047 = 397330174017
BaseRepresentation
bin100001000110111100…
…1001110000100101111
320210112002022111001110
41002031321032010233
52131103104022142
652355105043103
75064632400315
oct1021571160457
9223462274043
1071100064047
1128176150511
1211943326493
13692131b51c
143626b700b5
151cb1eaa99c
hex108de4e12f

71100064047 has 16 divisors (see below), whose sum is σ = 95807714912. Its totient is φ = 46896537600.

The previous prime is 71100064039. The next prime is 71100064067. The reversal of 71100064047 is 74046000117.

It is not a de Polignac number, because 71100064047 - 23 = 71100064039 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 (71100064037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923583 + ... + 997599.

It is an arithmetic number, because the mean of its divisors is an integer number (5987982182).

Almost surely, 271100064047 is an apocalyptic number.

71100064047 is a deficient number, since it is larger than the sum of its proper divisors (24707650865).

71100064047 is a wasteful number, since it uses less digits than its factorization.

71100064047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77418.

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 71100064047 in words is "seventy-one billion, one hundred million, sixty-four thousand, forty-seven".

Divisors: 1 3 97 291 3301 9903 74017 222051 320197 960591 7179649 21538947 244330117 732990351 23700021349 71100064047