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71342788037 is a prime number
BaseRepresentation
bin100001001110001011…
…1001000110111000101
320211011000001010202212
41002130113020313011
52132102223204122
652435135313205
75103640456403
oct1023427106705
9224130033685
1071342788037
1128290164654
12119b067b805
13695c6b41a1
14364b0b4473
151cc8453ce2
hex109c5c8dc5

71342788037 has 2 divisors, whose sum is σ = 71342788038. Its totient is φ = 71342788036.

The previous prime is 71342788007. The next prime is 71342788061. The reversal of 71342788037 is 73088724317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65191366276 + 6151421761 = 255326^2 + 78431^2 .

It is a cyclic number.

It is not a de Polignac number, because 71342788037 - 216 = 71342722501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71342788007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35671394018 + 35671394019.

It is an arithmetic number, because the mean of its divisors is an integer number (35671394019).

Almost surely, 271342788037 is an apocalyptic number.

It is an amenable number.

71342788037 is a deficient number, since it is larger than the sum of its proper divisors (1).

71342788037 is an equidigital number, since it uses as much as digits as its factorization.

71342788037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 71342788037 in words is "seventy-one billion, three hundred forty-two million, seven hundred eighty-eight thousand, thirty-seven".