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13049395687448 = 233119522979949
BaseRepresentation
bin1011110111100100110010…
…0110000011000000011000
31201012111202211012102220222
42331321030212003000120
53202300130243444243
643430450513335212
72514534122124101
oct275711446030030
951174684172828
1013049395687448
11418124373988a
121569088267508
1373872547c643
143318463a93a8
151796a0e5b168
hexbde4c983018

13049395687448 has 16 divisors (see below), whose sum is σ = 24475461660000. Its totient is φ = 6522605911456.

The previous prime is 13049395687439. The next prime is 13049395687453. The reversal of 13049395687448 is 84478659394031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261465023 + ... + 261514926.

It is an arithmetic number, because the mean of its divisors is an integer number (1529716353750).

Almost surely, 213049395687448 is an apocalyptic number.

It is an amenable number.

13049395687448 is a deficient number, since it is larger than the sum of its proper divisors (11426065972552).

13049395687448 is a wasteful number, since it uses less digits than its factorization.

13049395687448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522983074 (or 522983070 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 71.

The spelling of 13049395687448 in words is "thirteen trillion, forty-nine billion, three hundred ninety-five million, six hundred eighty-seven thousand, four hundred forty-eight".

Divisors: 1 2 4 8 3119 6238 12476 24952 522979949 1045959898 2091919796 4183839592 1631174460931 3262348921862 6524697843724 13049395687448