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13786106061 = 371350498557
BaseRepresentation
bin11001101011011011…
…10100100011001101
31022120202222202020210
430311231310203031
5211213220343221
610155552033033
7665426653020
oct146555644315
938522882223
1013786106061
115934996592
122808b32779
1313b91cb810
1494ad191b7
1555a482276
hex335b748cd

13786106061 has 16 divisors (see below), whose sum is σ = 22623353984. Its totient is φ = 7271792064.

The previous prime is 13786106039. The next prime is 13786106063. The reversal of 13786106061 is 16060168731.

It is not a de Polignac number, because 13786106061 - 213 = 13786097869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13786106063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25249006 + ... + 25249551.

It is an arithmetic number, because the mean of its divisors is an integer number (1413959624).

Almost surely, 213786106061 is an apocalyptic number.

It is an amenable number.

13786106061 is a deficient number, since it is larger than the sum of its proper divisors (8837247923).

13786106061 is a wasteful number, since it uses less digits than its factorization.

13786106061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50498580.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 13786106061 in words is "thirteen billion, seven hundred eighty-six million, one hundred six thousand, sixty-one".

Divisors: 1 3 7 13 21 39 91 273 50498557 151495671 353489899 656481241 1060469697 1969443723 4595368687 13786106061