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2078127313 is a prime number
BaseRepresentation
bin111101111011101…
…1011010011010001
312100211100210202021
41323313123103101
513224000033223
6542113251441
7102332535133
oct17367332321
95324323667
102078127313
11977059899
1249bb63b81
13271700242
14159dd5053
15c269665d
hex7bddb4d1

2078127313 has 2 divisors, whose sum is σ = 2078127314. Its totient is φ = 2078127312.

The previous prime is 2078127283. The next prime is 2078127341. The reversal of 2078127313 is 3137218702.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2072707729 + 5419584 = 45527^2 + 2328^2 .

It is a cyclic number.

It is not a de Polignac number, because 2078127313 - 229 = 1541256401 is a prime.

It is a super-2 number, since 2×20781273132 = 8637226258073199938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2078121313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039063656 + 1039063657.

It is an arithmetic number, because the mean of its divisors is an integer number (1039063657).

Almost surely, 22078127313 is an apocalyptic number.

It is an amenable number.

2078127313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078127313 is an equidigital number, since it uses as much as digits as its factorization.

2078127313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2078127313 is about 45586.4816913962. The cubic root of 2078127313 is about 1276.1176539493.

The spelling of 2078127313 in words is "two billion, seventy-eight million, one hundred twenty-seven thousand, three hundred thirteen".