Search a number
-
+
71724114784 = 257320196941
BaseRepresentation
bin100001011001100010…
…1110010001101100000
320212010120120112201201
41002303011302031200
52133342333133114
652541040410544
75116250626240
oct1026305621540
9225116515651
1071724114784
1128466436023
1211a98316a54
1369c06b820a
1436859b7b20
151cebb79874
hex10b3172360

71724114784 has 24 divisors (see below), whose sum is σ = 161379258768. Its totient is φ = 30738906240.

The previous prime is 71724114757. The next prime is 71724114829. The reversal of 71724114784 is 48741142717.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160098247 + ... + 160098694.

It is an arithmetic number, because the mean of its divisors is an integer number (6724135782).

Almost surely, 271724114784 is an apocalyptic number.

It is an amenable number.

71724114784 is an abundant number, since it is smaller than the sum of its proper divisors (89655143984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71724114784 is a wasteful number, since it uses less digits than its factorization.

71724114784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320196958 (or 320196950 counting only the distinct ones).

The product of its digits is 351232, while the sum is 46.

The spelling of 71724114784 in words is "seventy-one billion, seven hundred twenty-four million, one hundred fourteen thousand, seven hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 320196941 640393882 1280787764 2241378587 2561575528 4482757174 5123151056 8965514348 10246302112 17931028696 35862057392 71724114784