Base | Representation |
---|---|
bin | 111011100101000011… |
… | …1101011001110101010 |
3 | 110020020201012112122201 |
4 | 1313022013223032222 |
5 | 4044012413430130 |
6 | 134435510410414 |
7 | 12146412035254 |
oct | 1671207531652 |
9 | 406221175581 |
10 | 127945061290 |
11 | 4a296719282 |
12 | 20968660a0a |
13 | c0b0233177 |
14 | 629a5cccd4 |
15 | 34dc74cbca |
hex | 1dca1eb3aa |
127945061290 has 16 divisors (see below), whose sum is σ = 230832991368. Its totient is φ = 51059828736.
The previous prime is 127945061261. The next prime is 127945061297. The reversal of 127945061290 is 92160549721.
127945061290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 86464814401 + 41480246889 = 294049^2 + 203667^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 127945061290.
It is not an unprimeable number, because it can be changed into a prime (127945061297) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14769927 + ... + 14778586.
Almost surely, 2127945061290 is an apocalyptic number.
127945061290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
127945061290 is a deficient number, since it is larger than the sum of its proper divisors (102887930078).
127945061290 is a wasteful number, since it uses less digits than its factorization.
127945061290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29548953.
The product of its (nonzero) digits is 272160, while the sum is 46.
The spelling of 127945061290 in words is "one hundred twenty-seven billion, nine hundred forty-five million, sixty-one thousand, two hundred ninety".
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