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8429542019 = 131463713877
BaseRepresentation
bin1111101100111000…
…01001101010000011
3210202110200002202222
413312130021222003
5114230430321034
63512242201255
7415614632153
oct76634115203
923673602688
108429542019
113636290758
12177305322b
13a445290b2
1459d75c763
1534509712e
hex1f6709a83

8429542019 has 8 divisors (see below), whose sum is σ = 8496333648. Its totient is φ = 8362787680.

The previous prime is 8429542013. The next prime is 8429542049. The reversal of 8429542019 is 9102459248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8429542019 - 24 = 8429542003 is a prime.

It is a super-2 number, since 2×84295420192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8429542013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600509 + ... + 614385.

It is an arithmetic number, because the mean of its divisors is an integer number (1062041706).

Almost surely, 28429542019 is an apocalyptic number.

8429542019 is a deficient number, since it is larger than the sum of its proper divisors (66791629).

8429542019 is a wasteful number, since it uses less digits than its factorization.

8429542019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18645.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 8429542019 is about 91812.5373737160. The cubic root of 8429542019 is about 2035.1729730804.

The spelling of 8429542019 in words is "eight billion, four hundred twenty-nine million, five hundred forty-two thousand, nineteen".

Divisors: 1 131 4637 13877 607447 1817887 64347649 8429542019