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2104813485 = 335149104639
BaseRepresentation
bin111110101110100…
…1110011110101101
312102200120121022000
41331131032132231
513302313012420
6544505242513
7103105422315
oct17535163655
95380517260
102104813485
11990126585
124a8a93439
132770b4a88
1415d780445
15c4bb8690
hex7d74e7ad

2104813485 has 32 divisors (see below), whose sum is σ = 3767040000. Its totient is φ = 1115022528.

The previous prime is 2104813481. The next prime is 2104813499. The reversal of 2104813485 is 5843184012.

It is not a de Polignac number, because 2104813485 - 22 = 2104813481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104813481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32205 + ... + 72434.

It is an arithmetic number, because the mean of its divisors is an integer number (117720000).

Almost surely, 22104813485 is an apocalyptic number.

It is an amenable number.

2104813485 is a deficient number, since it is larger than the sum of its proper divisors (1662226515).

2104813485 is a wasteful number, since it uses less digits than its factorization.

2104813485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104802 (or 104796 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2104813485 is about 45878.2463156560. The cubic root of 2104813485 is about 1281.5568387935.

Adding to 2104813485 its reverse (5843184012), we get a palindrome (7947997497).

The spelling of 2104813485 in words is "two billion, one hundred four million, eight hundred thirteen thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 149 447 745 1341 2235 4023 6705 20115 104639 313917 523195 941751 1569585 2825253 4708755 14126265 15591211 46773633 77956055 140320899 233868165 420962697 701604495 2104813485