Search a number
-
+
71015080801 = 7431031322877
BaseRepresentation
bin100001000100011010…
…1000010001101100001
320210022011101212221211
41002020311002031201
52130414330041201
652342431350121
75062551140620
oct1021065021541
9223264355854
1071015080801
1128132186325
121191a982341
136909834b92
14361976b6b7
151ca97c0651
hex1088d42361

71015080801 has 16 divisors (see below), whose sum is σ = 83059219584. Its totient is φ = 59446122624.

The previous prime is 71015080777. The next prime is 71015080817. The reversal of 71015080801 is 10808051017.

It is not a de Polignac number, because 71015080801 - 25 = 71015080769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71015080831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3092775 + ... + 3115651.

It is an arithmetic number, because the mean of its divisors is an integer number (5191201224).

Almost surely, 271015080801 is an apocalyptic number.

It is an amenable number.

71015080801 is a deficient number, since it is larger than the sum of its proper divisors (12044138783).

71015080801 is a wasteful number, since it uses less digits than its factorization.

71015080801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33240.

The product of its (nonzero) digits is 2240, while the sum is 31.

The spelling of 71015080801 in words is "seventy-one billion, fifteen million, eighty thousand, eight hundred one".

Divisors: 1 7 43 301 10313 22877 72191 160139 443459 983711 3104213 6885977 235930501 1651513507 10145011543 71015080801