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7047252042 = 236119254787
BaseRepresentation
bin1101001000000110…
…01000100001001010
3200012010122111101220
412210003020201022
5103413044031132
63123143022510
7336431440215
oct64403104112
920163574356
107047252042
112a96a98846
12144813aa36
1388403b62c
144abd3a77c
152b3a4ea2c
hex1a40c884a

7047252042 has 16 divisors (see below), whose sum is σ = 14325562272. Its totient is φ = 2310574320.

The previous prime is 7047251989. The next prime is 7047252059. The reversal of 7047252042 is 2402527407.

It is a happy number.

It is a super-2 number, since 2×70472520422 = 99327522686946339528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7047251994 and 7047252012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9627028 + ... + 9627759.

It is an arithmetic number, because the mean of its divisors is an integer number (895347642).

Almost surely, 27047252042 is an apocalyptic number.

7047252042 is an abundant number, since it is smaller than the sum of its proper divisors (7278310230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7047252042 is a wasteful number, since it uses less digits than its factorization.

7047252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19254853.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 7047252042 is about 83947.9126720849. The cubic root of 7047252042 is about 1917.2258150501.

Adding to 7047252042 its reverse (2402527407), we get a palindrome (9449779449).

The spelling of 7047252042 in words is "seven billion, forty-seven million, two hundred fifty-two thousand, forty-two".

Divisors: 1 2 3 6 61 122 183 366 19254787 38509574 57764361 115528722 1174542007 2349084014 3523626021 7047252042