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13911348561011 = 1143247711873591
BaseRepresentation
bin1100101001101111110011…
…1111010100010001110011
31211020220121210121020120022
43022123330333110101303
53310410420212423021
645330441343034055
72634030120506546
oct312337477242163
954226553536508
1013911348561011
11448385165a430
12168814259b92b
1379bab0640085
143614546d285d
15191ced1551ab
hexca6fcfd4473

13911348561011 has 16 divisors (see below), whose sum is σ = 15535217795328. Its totient is φ = 12347583712800.

The previous prime is 13911348560983. The next prime is 13911348561073. The reversal of 13911348561011 is 11016584311931.

It is not a de Polignac number, because 13911348561011 - 230 = 13910274819187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13911348561211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4765175 + ... + 7108416.

It is an arithmetic number, because the mean of its divisors is an integer number (970951112208).

Almost surely, 213911348561011 is an apocalyptic number.

13911348561011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13911348561011 is a deficient number, since it is larger than the sum of its proper divisors (1623869234317).

13911348561011 is a wasteful number, since it uses less digits than its factorization.

13911348561011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876122.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 13911348561011 in words is "thirteen trillion, nine hundred eleven billion, three hundred forty-eight million, five hundred sixty-one thousand, eleven".

Divisors: 1 11 43 473 2477 27247 106511 1171621 11873591 130609501 510564413 5616208543 29410884907 323519733977 1264668051001 13911348561011