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72183075901 is a prime number
BaseRepresentation
bin100001100111001110…
…0100101010000111101
320220022120012012000121
41003032130211100331
52140312331412101
653054353454541
75133523010266
oct1031634452075
9226276165017
1072183075901
1128681512332
1211ba5b71451
136a64801941
1436ca92996d
151d270d80a1
hex10ce72543d

72183075901 has 2 divisors, whose sum is σ = 72183075902. Its totient is φ = 72183075900.

The previous prime is 72183075793. The next prime is 72183075917. The reversal of 72183075901 is 10957038127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44068505625 + 28114570276 = 209925^2 + 167674^2 .

It is a cyclic number.

It is not a de Polignac number, because 72183075901 - 213 = 72183067709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72183075931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36091537950 + 36091537951.

It is an arithmetic number, because the mean of its divisors is an integer number (36091537951).

Almost surely, 272183075901 is an apocalyptic number.

It is an amenable number.

72183075901 is a deficient number, since it is larger than the sum of its proper divisors (1).

72183075901 is an equidigital number, since it uses as much as digits as its factorization.

72183075901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 72183075901 in words is "seventy-two billion, one hundred eighty-three million, seventy-five thousand, nine hundred one".