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678114901 is a prime number
BaseRepresentation
bin101000011010110…
…011011001010101
31202020222210202201
4220122303121111
52342044134101
6151142204501
722542611242
oct5032633125
91666883681
10678114901
11318861842
1216b123731
13aa648c29
14660bc5c9
153e7ece01
hex286b3655

678114901 has 2 divisors, whose sum is σ = 678114902. Its totient is φ = 678114900.

The previous prime is 678114841. The next prime is 678114929. The reversal of 678114901 is 109411876.

678114901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507420676 + 170694225 = 22526^2 + 13065^2 .

It is a cyclic number.

It is not a de Polignac number, because 678114901 - 223 = 669726293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (678114971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339057450 + 339057451.

It is an arithmetic number, because the mean of its divisors is an integer number (339057451).

Almost surely, 2678114901 is an apocalyptic number.

It is an amenable number.

678114901 is a deficient number, since it is larger than the sum of its proper divisors (1).

678114901 is an equidigital number, since it uses as much as digits as its factorization.

678114901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 678114901 is about 26040.6394122725. The cubic root of 678114901 is about 878.5525883398.

The spelling of 678114901 in words is "six hundred seventy-eight million, one hundred fourteen thousand, nine hundred one".