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2078097137 is a prime number
BaseRepresentation
bin111101111011101…
…0011111011110001
312100211022021100122
41323313103323301
513223443102022
6542112500025
7102332351144
oct17367237361
95324267318
102078097137
11977039156
1249bb4a615
132716bc59c
14159dc805b
15c268c742
hex7bdd3ef1

2078097137 has 2 divisors, whose sum is σ = 2078097138. Its totient is φ = 2078097136.

The previous prime is 2078097097. The next prime is 2078097143. The reversal of 2078097137 is 7317908702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1777802896 + 300294241 = 42164^2 + 17329^2 .

It is a cyclic number.

It is not a de Polignac number, because 2078097137 - 212 = 2078093041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2078097157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039048568 + 1039048569.

It is an arithmetic number, because the mean of its divisors is an integer number (1039048569).

Almost surely, 22078097137 is an apocalyptic number.

It is an amenable number.

2078097137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078097137 is an equidigital number, since it uses as much as digits as its factorization.

2078097137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 2078097137 is about 45586.1507148827. The cubic root of 2078097137 is about 1276.1114771842. Note that the first 3 decimals are identical.

The spelling of 2078097137 in words is "two billion, seventy-eight million, ninety-seven thousand, one hundred thirty-seven".