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71437074365 = 5172336540703
BaseRepresentation
bin100001010000111111…
…0110011111110111101
320211101120110101022002
41002201332303332331
52132300342334430
652452344232045
75106164053556
oct1024176637675
9224346411262
1071437074365
1128329403338
1211a1816b625
1369760a7107
14365981932d
151cd187a845
hex10a1fb3fbd

71437074365 has 16 divisors (see below), whose sum is σ = 94713504768. Its totient is φ = 51449308416.

The previous prime is 71437074341. The next prime is 71437074403. The reversal of 71437074365 is 56347073417.

It is a cyclic number.

It is not a de Polignac number, because 71437074365 - 214 = 71437057981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18268397 + ... + 18272306.

It is an arithmetic number, because the mean of its divisors is an integer number (5919594048).

Almost surely, 271437074365 is an apocalyptic number.

It is an amenable number.

71437074365 is a deficient number, since it is larger than the sum of its proper divisors (23276430403).

71437074365 is a wasteful number, since it uses less digits than its factorization.

71437074365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36540748.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 71437074365 in words is "seventy-one billion, four hundred thirty-seven million, seventy-four thousand, three hundred sixty-five".

Divisors: 1 5 17 23 85 115 391 1955 36540703 182703515 621191951 840436169 3105959755 4202180845 14287414873 71437074365