Base | Representation |
---|---|
bin | 100111110000101001… |
… | …100100100011100011 |
3 | 11002012021210011122100 |
4 | 213300221210203203 |
5 | 1144413141311024 |
6 | 31340144341443 |
7 | 3040644106203 |
oct | 476051444343 |
9 | 132167704570 |
10 | 42692135139 |
11 | 17118663015 |
12 | 8335614883 |
13 | 4044a44234 |
14 | 20cdd54403 |
15 | 119d0167c9 |
hex | 9f0a648e3 |
42692135139 has 72 divisors (see below), whose sum is σ = 71335134000. Its totient is φ = 24501464064.
The previous prime is 42692135117. The next prime is 42692135141. The reversal of 42692135139 is 93153129624.
42692135139 is a `hidden beast` number, since 4 + 269 + 2 + 1 + 351 + 39 = 666.
It is not a de Polignac number, because 42692135139 - 29 = 42692134627 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42692135094 and 42692135103.
It is not an unprimeable number, because it can be changed into a prime (42692135639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1418257 + ... + 1448045.
It is an arithmetic number, because the mean of its divisors is an integer number (990765750).
Almost surely, 242692135139 is an apocalyptic number.
42692135139 is a deficient number, since it is larger than the sum of its proper divisors (28642998861).
42692135139 is a wasteful number, since it uses less digits than its factorization.
42692135139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29877 (or 29857 counting only the distinct ones).
The product of its digits is 349920, while the sum is 45.
The spelling of 42692135139 in words is "forty-two billion, six hundred ninety-two million, one hundred thirty-five thousand, one hundred thirty-nine".
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