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7998201793 is a prime number
BaseRepresentation
bin1110111001011101…
…01101111111000001
3202122102000202020001
413130232231333001
5112340014424133
63401353120001
7402126410401
oct73456557701
922572022201
107998201793
11343485a42a
1216726b9001
139a60637aa
1455c35a801
1531c29287d
hex1dcbadfc1

7998201793 has 2 divisors, whose sum is σ = 7998201794. Its totient is φ = 7998201792.

The previous prime is 7998201749. The next prime is 7998201821. The reversal of 7998201793 is 3971028997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6016794624 + 1981407169 = 77568^2 + 44513^2 .

It is a cyclic number.

It is not a de Polignac number, because 7998201793 - 229 = 7461330881 is a prime.

It is not a weakly prime, because it can be changed into another prime (7998201193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3999100896 + 3999100897.

It is an arithmetic number, because the mean of its divisors is an integer number (3999100897).

Almost surely, 27998201793 is an apocalyptic number.

It is an amenable number.

7998201793 is a deficient number, since it is larger than the sum of its proper divisors (1).

7998201793 is an equidigital number, since it uses as much as digits as its factorization.

7998201793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 7998201793 is about 89432.6662523264. Note that the first 3 decimals coincide. The cubic root of 7998201793 is about 1999.8501381877.

The spelling of 7998201793 in words is "seven billion, nine hundred ninety-eight million, two hundred one thousand, seven hundred ninety-three".