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180700078313 is a prime number
BaseRepresentation
bin1010100001001010010…
…0000110000011101001
3122021102022002002011002
42220102210012003221
510430033210001223
6215002405444345
716024626215516
oct2502244060351
9567368062132
10180700078313
116a6a85353a7
122b0301106b5
13140699b0481
148a62b9430d
154a78de3e28
hex2a129060e9

180700078313 has 2 divisors, whose sum is σ = 180700078314. Its totient is φ = 180700078312.

The previous prime is 180700078261. The next prime is 180700078319. The reversal of 180700078313 is 313870007081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176796702784 + 3903375529 = 420472^2 + 62477^2 .

It is a cyclic number.

It is not a de Polignac number, because 180700078313 - 218 = 180699816169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (180700078319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90350039156 + 90350039157.

It is an arithmetic number, because the mean of its divisors is an integer number (90350039157).

Almost surely, 2180700078313 is an apocalyptic number.

It is an amenable number.

180700078313 is a deficient number, since it is larger than the sum of its proper divisors (1).

180700078313 is an equidigital number, since it uses as much as digits as its factorization.

180700078313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 180700078313 in words is "one hundred eighty billion, seven hundred million, seventy-eight thousand, three hundred thirteen".