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72382347061 is a prime number
BaseRepresentation
bin100001101101001010…
…0101111011100110101
320220211110011012122221
41003122110233130311
52141214340101221
653130232522341
75141462540623
oct1033224573465
9226743135587
1072382347061
1128773a47742
12120408503b1
136a96b9227b
14370919c513
151d3984b541
hex10da52f735

72382347061 has 2 divisors, whose sum is σ = 72382347062. Its totient is φ = 72382347060.

The previous prime is 72382347017. The next prime is 72382347097. The reversal of 72382347061 is 16074328327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68124132036 + 4258215025 = 261006^2 + 65255^2 .

It is a cyclic number.

It is not a de Polignac number, because 72382347061 - 235 = 38022608693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72382346999 and 72382347017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72382347461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36191173530 + 36191173531.

It is an arithmetic number, because the mean of its divisors is an integer number (36191173531).

Almost surely, 272382347061 is an apocalyptic number.

It is an amenable number.

72382347061 is a deficient number, since it is larger than the sum of its proper divisors (1).

72382347061 is an equidigital number, since it uses as much as digits as its factorization.

72382347061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

It can be divided in two parts, 723823 and 47061, that added together give a square (770884 = 8782).

The spelling of 72382347061 in words is "seventy-two billion, three hundred eighty-two million, three hundred forty-seven thousand, sixty-one".