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2505505505505 = 359712781134731
BaseRepresentation
bin100100011101011011110…
…001000000000011100001
322212112010222122012221220
4210131123301000003201
5312022233402134010
65155002514205253
7346005522256032
oct44353361000341
98775128565856
102505505505505
118866405a3032
12345700883829
131523641a29c2
14893a4d60a89
154529211b970
hex2475bc400e1

2505505505505 has 32 divisors (see below), whose sum is σ = 4050483685248. Its totient is φ = 1322380339200.

The previous prime is 2505505505483. The next prime is 2505505505513. The reversal of 2505505505505 is 5055055055052.

It is not a de Polignac number, because 2505505505505 - 26 = 2505505505441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18528990 + ... + 18663720.

It is an arithmetic number, because the mean of its divisors is an integer number (126577615164).

Almost surely, 22505505505505 is an apocalyptic number.

It is an amenable number.

2505505505505 is a deficient number, since it is larger than the sum of its proper divisors (1544978179743).

2505505505505 is a wasteful number, since it uses less digits than its factorization.

2505505505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147617.

The product of its (nonzero) digits is 781250, while the sum is 42.

The spelling of 2505505505505 in words is "two trillion, five hundred five billion, five hundred five million, five hundred five thousand, five hundred five".

Divisors: 1 3 5 15 97 291 485 1455 12781 38343 63905 134731 191715 404193 673655 1239757 2020965 3719271 6198785 13068907 18596355 39206721 65344535 196033605 1721996911 5165990733 8609984555 25829953665 167033700367 501101101101 835168501835 2505505505505