Search a number
-
+
13850137685 = 5193130715319
BaseRepresentation
bin11001110011000100…
…00101010001010101
31022202020110220010102
430321202011101111
5211331113401220
610210200303445
71000135141106
oct147142052125
938666426112
1013850137685
11596805048a
122826471b85
1313c955a857
149556263ad
15560dce775
hex339885455

13850137685 has 32 divisors (see below), whose sum is σ = 18119270400. Its totient is φ = 10124585280.

The previous prime is 13850137661. The next prime is 13850137703. The reversal of 13850137685 is 58673105831.

It is not a de Polignac number, because 13850137685 - 216 = 13850072149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896456 + ... + 911774.

It is an arithmetic number, because the mean of its divisors is an integer number (566227200).

Almost surely, 213850137685 is an apocalyptic number.

It is an amenable number.

13850137685 is a deficient number, since it is larger than the sum of its proper divisors (4269132715).

13850137685 is a wasteful number, since it uses less digits than its factorization.

13850137685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15681.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 13850137685 in words is "thirteen billion, eight hundred fifty million, one hundred thirty-seven thousand, six hundred eighty-five".

Divisors: 1 5 19 31 95 155 307 589 1535 2945 5833 9517 15319 29165 47585 76595 180823 291061 474889 904115 1455305 2374445 4702933 9022891 23514665 45114455 89355727 145790923 446778635 728954615 2770027537 13850137685