Base | Representation |
---|---|
bin | 111111101101010100… |
… | …110111010100110111 |
3 | 20112120100021221122220 |
4 | 333231110313110313 |
5 | 2110043440213002 |
6 | 51231513453423 |
7 | 4641111633366 |
oct | 775524672467 |
9 | 215510257586 |
10 | 68406179127 |
11 | 27013560940 |
12 | 11311111273 |
13 | 65b2196290 |
14 | 344d08d7dd |
15 | 1ba57327bc |
hex | fed537537 |
68406179127 has 32 divisors (see below), whose sum is σ = 110848711680. Its totient is φ = 36949557120.
The previous prime is 68406179117. The next prime is 68406179129. The reversal of 68406179127 is 72197160486.
It is not a de Polignac number, because 68406179127 - 212 = 68406175031 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68406179127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68406179129) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2736783 + ... + 2761664.
It is an arithmetic number, because the mean of its divisors is an integer number (3464022240).
Almost surely, 268406179127 is an apocalyptic number.
68406179127 is a deficient number, since it is larger than the sum of its proper divisors (42442532553).
68406179127 is a wasteful number, since it uses less digits than its factorization.
68406179127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5498503.
The product of its (nonzero) digits is 1016064, while the sum is 51.
The spelling of 68406179127 in words is "sixty-eight billion, four hundred six million, one hundred seventy-nine thousand, one hundred twenty-seven".
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