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2868489938 = 23559402991
BaseRepresentation
bin1010101011111001…
…1010111011010010
321101220120101110002
42222332122323102
521333313134223
61152345410002
7131040522266
oct25276327322
97356511402
102868489938
111242207a46
12680799902
1336938a632
141d2d720a6
1511bc67e28
hexaaf9aed2

2868489938 has 8 divisors (see below), whose sum is σ = 4303954560. Its totient is φ = 1433838420.

The previous prime is 2868489937. The next prime is 2868489941. The reversal of 2868489938 is 8399848682.

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

It is not an unprimeable number, because it can be changed into a prime (2868489937) 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, 194378 + ... + 208613.

It is an arithmetic number, because the mean of its divisors is an integer number (537994320).

Almost surely, 22868489938 is an apocalyptic number.

2868489938 is a deficient number, since it is larger than the sum of its proper divisors (1435464622).

2868489938 is a wasteful number, since it uses less digits than its factorization.

2868489938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406552.

The product of its digits is 47775744, while the sum is 65.

The square root of 2868489938 is about 53558.2854281203. The cubic root of 2868489938 is about 1420.8594179284.

The spelling of 2868489938 in words is "two billion, eight hundred sixty-eight million, four hundred eighty-nine thousand, nine hundred thirty-eight".

Divisors: 1 2 3559 7118 402991 805982 1434244969 2868489938