Search a number
-
+
71204375205 = 32519137607883
BaseRepresentation
bin100001001010000011…
…1001000101010100101
320210210100121001001200
41002110013020222211
52131311310001310
652413312513113
75100340126425
oct1022407105245
9223710531050
1071204375205
112821a016a87
121197224b799
136939b113c2
143636964485
151cbb2129c0
hex10941c8aa5

71204375205 has 48 divisors (see below), whose sum is σ = 130865267520. Its totient is φ = 35714283264.

The previous prime is 71204375189. The next prime is 71204375227. The reversal of 71204375205 is 50257340217.

71204375205 is a `hidden beast` number, since 7 + 12 + 0 + 437 + 5 + 205 = 666.

It is not a de Polignac number, because 71204375205 - 24 = 71204375189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71204375205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186807 + ... + 421076.

It is an arithmetic number, because the mean of its divisors is an integer number (2726359740).

Almost surely, 271204375205 is an apocalyptic number.

It is an amenable number.

71204375205 is a deficient number, since it is larger than the sum of its proper divisors (59660892315).

71204375205 is a wasteful number, since it uses less digits than its factorization.

71204375205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608050 (or 608047 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 71204375205 in words is "seventy-one billion, two hundred four million, three hundred seventy-five thousand, two hundred five".

Divisors: 1 3 5 9 15 19 45 57 95 137 171 285 411 685 855 1233 2055 2603 6165 7809 13015 23427 39045 117135 607883 1823649 3039415 5470947 9118245 11549777 27354735 34649331 57748885 83279971 103947993 173246655 249839913 416399855 519739965 749519739 1249199565 1582319449 3747598695 4746958347 7911597245 14240875041 23734791735 71204375205