Search a number
-
+
71434597750 = 2531731651667
BaseRepresentation
bin100001010000111010…
…1010111010101110110
320211101101210120000121
41002201311113111312
52132244224112000
652452215202154
75106134030245
oct1024165272566
9224341716017
1071434597750
1128327a7164a
1211a1737635a
13697571aa69
14365937295c
151cd153bb1a
hex10a1d57576

71434597750 has 32 divisors (see below), whose sum is σ = 134498628576. Its totient is φ = 28408655200.

The previous prime is 71434597733. The next prime is 71434597757. The reversal of 71434597750 is 5779543417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71434597757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782584 + ... + 869083.

It is an arithmetic number, because the mean of its divisors is an integer number (4203082143).

Almost surely, 271434597750 is an apocalyptic number.

71434597750 is a deficient number, since it is larger than the sum of its proper divisors (63064030826).

71434597750 is a wasteful number, since it uses less digits than its factorization.

71434597750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651857 (or 1651847 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 71434597750 in words is "seventy-one billion, four hundred thirty-four million, five hundred ninety-seven thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 173 250 346 865 1730 4325 8650 21625 43250 1651667 3303334 8258335 16516670 41291675 82583350 206458375 285738391 412916750 571476782 1428691955 2857383910 7143459775 14286919550 35717298875 71434597750