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2768398848045 = 32561519974401
BaseRepresentation
bin101000010010010001011…
…011100001000000101101
3100210122201110211202000100
4220102101123201000231
5330324140101114140
65515441311021313
7404003334642525
oct50222133410055
910718643752010
102768398848045
11978086a83376
1238864b20a839
1317109c4cb75c
1497dc3c96685
154c02bd1a530
hex284916e102d

2768398848045 has 12 divisors (see below), whose sum is σ = 4798558003356. Its totient is φ = 1476479385600.

The previous prime is 2768398847993. The next prime is 2768398848101. The reversal of 2768398848045 is 5408488938672.

2768398848045 is a `hidden beast` number, since 2 + 7 + 68 + 3 + 9 + 88 + 480 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 641226186756 + 2127172661289 = 800766^2 + 1458483^2 .

It is not a de Polignac number, because 2768398848045 - 28 = 2768398847789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30759987156 + ... + 30759987245.

It is an arithmetic number, because the mean of its divisors is an integer number (399879833613).

Almost surely, 22768398848045 is an apocalyptic number.

It is an amenable number.

2768398848045 is a deficient number, since it is larger than the sum of its proper divisors (2030159155311).

2768398848045 is a wasteful number, since it uses less digits than its factorization.

2768398848045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61519974412 (or 61519974409 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 72.

The spelling of 2768398848045 in words is "two trillion, seven hundred sixty-eight billion, three hundred ninety-eight million, eight hundred forty-eight thousand, forty-five".

Divisors: 1 3 5 9 15 45 61519974401 184559923203 307599872005 553679769609 922799616015 2768398848045