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1373648485685 = 57279187737811
BaseRepresentation
bin10011111111010011110…
…101000111110100110101
311212022121220222011120012
4103333103311013310311
5140001213003020220
62531013450150005
7201146201322500
oct23772365076465
94768556864505
101373648485685
1148a619839593
121a2280122305
139c6c4399c58
144a6b0972137
1525ae99c3ac5
hex13fd3d47d35

1373648485685 has 48 divisors (see below), whose sum is σ = 1942859208960. Its totient is φ = 929487162240.

The previous prime is 1373648485681. The next prime is 1373648485691. The reversal of 1373648485685 is 5865848463731.

It is not a de Polignac number, because 1373648485685 - 22 = 1373648485681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373648485681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36310430 + ... + 36348240.

It is an arithmetic number, because the mean of its divisors is an integer number (40476233520).

Almost surely, 21373648485685 is an apocalyptic number.

It is an amenable number.

1373648485685 is a deficient number, since it is larger than the sum of its proper divisors (569210723275).

1373648485685 is a wasteful number, since it uses less digits than its factorization.

1373648485685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39786 (or 39779 counting only the distinct ones).

The product of its digits is 464486400, while the sum is 68.

The spelling of 1373648485685 in words is "one trillion, three hundred seventy-three billion, six hundred forty-eight million, four hundred eighty-five thousand, six hundred eighty-five".

Divisors: 1 5 7 35 49 79 245 395 553 1877 2765 3871 9385 13139 19355 37811 65695 91973 148283 189055 264677 459865 741415 1037981 1323385 1852739 2987069 5189905 7265867 9263695 14935345 20909483 36329335 70971247 104547415 146366381 354856235 496798729 731831905 2483993645 3477591103 5606728513 17387955515 28033642565 39247099591 196235497955 274729697137 1373648485685