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820488620482 = 2410244310241
BaseRepresentation
bin10111111000010001110…
…11101100100111000010
32220102211021002111112021
423330020323230213002
5101420330041323412
61424532142352054
7113164321126306
oct13741073544702
92812737074467
10820488620482
11296a704885a3
12113023b8b62a
135c4aa95394b
142b9d74bdd06
1516521dc9607
hexbf08eec9c2

820488620482 has 4 divisors (see below), whose sum is σ = 1230732930726. Its totient is φ = 410244310240.

The previous prime is 820488620453. The next prime is 820488620531. The reversal of 820488620482 is 284026884028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 628768116601 + 191720503881 = 792949^2 + 437859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205122155119 + ... + 205122155122.

Almost surely, 2820488620482 is an apocalyptic number.

820488620482 is a deficient number, since it is larger than the sum of its proper divisors (410244310244).

820488620482 is a wasteful number, since it uses less digits than its factorization.

820488620482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410244310243.

The product of its (nonzero) digits is 3145728, while the sum is 52.

The spelling of 820488620482 in words is "eight hundred twenty billion, four hundred eighty-eight million, six hundred twenty thousand, four hundred eighty-two".

Divisors: 1 2 410244310241 820488620482