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7938463349 = 66911186439
BaseRepresentation
bin1110110010010101…
…10101011001110101
3202111020121201111002
413121022311121311
5112224221311344
63351420453045
7400502553005
oct73112653165
922436551432
107938463349
113404068013
1216566aa185
139968788bb
1455444a005
15316de244e
hex1d92b5675

7938463349 has 4 divisors (see below), whose sum is σ = 7939656480. Its totient is φ = 7937270220.

The previous prime is 7938463343. The next prime is 7938463387. The reversal of 7938463349 is 9433648397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7938463349 - 212 = 7938459253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7938463294 and 7938463303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938463343) 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 in 3 ways as a sum of consecutive naturals, for example, 586529 + ... + 599910.

It is an arithmetic number, because the mean of its divisors is an integer number (1984914120).

Almost surely, 27938463349 is an apocalyptic number.

It is an amenable number.

7938463349 is a deficient number, since it is larger than the sum of its proper divisors (1193131).

7938463349 is a wasteful number, since it uses less digits than its factorization.

7938463349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193130.

The product of its digits is 11757312, while the sum is 56.

The square root of 7938463349 is about 89098.0546869571. The cubic root of 7938463349 is about 1994.8587408016.

The spelling of 7938463349 in words is "seven billion, nine hundred thirty-eight million, four hundred sixty-three thousand, three hundred forty-nine".

Divisors: 1 6691 1186439 7938463349