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7800068413 is a prime number
BaseRepresentation
bin1110100001110101…
…11001100100111101
3202010121012112022201
413100322321210331
5111433304142123
63325554311501
7364202326144
oct72072714475
922117175281
107800068413
113342a31935
121618288591
13973cb0cc7
1453dd0275b
15309ba65ad
hex1d0eb993d

7800068413 has 2 divisors, whose sum is σ = 7800068414. Its totient is φ = 7800068412.

The previous prime is 7800068399. The next prime is 7800068443. The reversal of 7800068413 is 3148600087.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7583448889 + 216619524 = 87083^2 + 14718^2 .

It is an emirp because it is prime and its reverse (3148600087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7800068413 - 225 = 7766513981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7800068443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3900034206 + 3900034207.

It is an arithmetic number, because the mean of its divisors is an integer number (3900034207).

Almost surely, 27800068413 is an apocalyptic number.

It is an amenable number.

7800068413 is a deficient number, since it is larger than the sum of its proper divisors (1).

7800068413 is an equidigital number, since it uses as much as digits as its factorization.

7800068413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 7800068413 is about 88317.9959747729. The cubic root of 7800068413 is about 1983.1982807898.

The spelling of 7800068413 in words is "seven billion, eight hundred million, sixty-eight thousand, four hundred thirteen".