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8180141237 is a prime number
BaseRepresentation
bin1111001111001001…
…10000110010110101
3210010002101020012222
413213210300302311
5113223104004422
63431412452125
7406466024162
oct74744606265
923102336188
108180141237
113518527204
12170361a045
13a04966378
1457859b069
1532d230842
hex1e7930cb5

8180141237 has 2 divisors, whose sum is σ = 8180141238. Its totient is φ = 8180141236.

The previous prime is 8180141159. The next prime is 8180141267. The reversal of 8180141237 is 7321410818.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6690258436 + 1489882801 = 81794^2 + 38599^2 .

It is a cyclic number.

It is not a de Polignac number, because 8180141237 - 218 = 8179879093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8180141197 and 8180141206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8180141267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4090070618 + 4090070619.

It is an arithmetic number, because the mean of its divisors is an integer number (4090070619).

Almost surely, 28180141237 is an apocalyptic number.

It is an amenable number.

8180141237 is a deficient number, since it is larger than the sum of its proper divisors (1).

8180141237 is an equidigital number, since it uses as much as digits as its factorization.

8180141237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 8180141237 is about 90444.1332370431. The cubic root of 8180141237 is about 2014.9004818807.

The spelling of 8180141237 in words is "eight billion, one hundred eighty million, one hundred forty-one thousand, two hundred thirty-seven".