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489501283789 = 7353171980031
BaseRepresentation
bin1110001111110001000…
…11001101010111001101
31201210111012000200002101
413013320203031113031
531004444312040124
61012512423155101
750236204155310
oct7077043152715
91653435020071
10489501283789
11179661793631
127aa50ba5a91
133721003796b
1419998b60977
15caee0b2644
hex71f88cd5cd

489501283789 has 8 divisors (see below), whose sum is σ = 559446161408. Its totient is φ = 419560436880.

The previous prime is 489501283781. The next prime is 489501283849. The reversal of 489501283789 is 987382105984.

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 489501283789 - 23 = 489501283781 is a prime.

It is a super-2 number, since 2×4895012837892 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489501283789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489501283781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742797 + ... + 1237234.

It is an arithmetic number, because the mean of its divisors is an integer number (69930770176).

Almost surely, 2489501283789 is an apocalyptic number.

It is an amenable number.

489501283789 is a deficient number, since it is larger than the sum of its proper divisors (69944877619).

489501283789 is a wasteful number, since it uses less digits than its factorization.

489501283789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015355.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 489501283789 in words is "four hundred eighty-nine billion, five hundred one million, two hundred eighty-three thousand, seven hundred eighty-nine".

Divisors: 1 7 35317 247219 1980031 13860217 69928754827 489501283789