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13496742809 = 1124127110039
BaseRepresentation
bin11001001000111011…
…11111001110011001
31021211121111120111022
430210131333032121
5210120131232214
610111134012225
7655314264254
oct144435771631
937747446438
1013496742809
1157a6617700
122748047075
131371286364
1492071409b
1553ed74d8e
hex32477f399

13496742809 has 24 divisors (see below), whose sum is σ = 15254695680. Its totient is φ = 11925144000.

The previous prime is 13496742803. The next prime is 13496742811. The reversal of 13496742809 is 90824769431.

It is not a de Polignac number, because 13496742809 - 228 = 13228307353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13496742803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339412 + ... + 1349450.

It is an arithmetic number, because the mean of its divisors is an integer number (635612320).

Almost surely, 213496742809 is an apocalyptic number.

It is an amenable number.

13496742809 is a deficient number, since it is larger than the sum of its proper divisors (1757952871).

13496742809 is a wasteful number, since it uses less digits than its factorization.

13496742809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373 (or 10362 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 13496742809 in words is "thirteen billion, four hundred ninety-six million, seven hundred forty-two thousand, eight hundred nine".

Divisors: 1 11 41 121 271 451 2981 4961 10039 11111 32791 110429 122221 411599 1214719 1344431 2720569 4527589 29926259 49803479 111543329 329188849 1226976619 13496742809