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318008430848 = 281242220433
BaseRepresentation
bin1001010000010101100…
…01111001000100000000
31010101211112222002201102
410220022301321010000
520202240124241343
6402031400153532
731655355030233
oct4501261710400
91111745862642
10318008430848
111129595179a9
12517704688a8
1323caca21754
141156ab2541a
1584136803b8
hex4a0ac79100

318008430848 has 18 divisors (see below), whose sum is σ = 634774641774. Its totient is φ = 159004215296.

The previous prime is 318008430847. The next prime is 318008430871. The reversal of 318008430848 is 848034800813.

It can be written as a sum of positive squares in only one way, i.e., 261112824064 + 56895606784 = 510992^2 + 238528^2 .

It is a super-2 number, since 2×3180084308482 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (318008430847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621109961 + ... + 621110472.

Almost surely, 2318008430848 is an apocalyptic number.

It is an amenable number.

318008430848 is a deficient number, since it is larger than the sum of its proper divisors (316766210926).

318008430848 is an equidigital number, since it uses as much as digits as its factorization.

318008430848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242220449 (or 1242220435 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 47.

It can be divided in two parts, 31800 and 8430848, that added together give a palindrome (8462648).

The spelling of 318008430848 in words is "three hundred eighteen billion, eight million, four hundred thirty thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 1242220433 2484440866 4968881732 9937763464 19875526928 39751053856 79502107712 159004215424 318008430848