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42474447424 = 26663663241
BaseRepresentation
bin100111100011101011…
…001010001001000000
311001122010011111020101
4213203223022021000
51143441424304144
631302410452144
73032361563143
oct474353121100
9131563144211
1042474447424
111701679a012
128294734054
13400b906136
1420ad08a05a
151188d666d4
hex9e3aca240

42474447424 has 14 divisors (see below), whose sum is σ = 84285231734. Its totient is φ = 21237223680.

The previous prime is 42474447391. The next prime is 42474447469.

42474447424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 31246925824 + 11227521600 = 176768^2 + 105960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331831557 + ... + 331831684.

Almost surely, 242474447424 is an apocalyptic number.

It is an amenable number.

42474447424 is a deficient number, since it is larger than the sum of its proper divisors (41810784310).

42474447424 is an equidigital number, since it uses as much as digits as its factorization.

42474447424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663663253 (or 663663243 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 46.

The spelling of 42474447424 in words is "forty-two billion, four hundred seventy-four million, four hundred forty-seven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 663663241 1327326482 2654652964 5309305928 10618611856 21237223712 42474447424