Base | Representation |
---|---|
bin | 1011111110010110… |
… | …00011011100100101 |
3 | 121121000111021011010 |
4 | 11333023003130211 |
5 | 101131203241204 |
6 | 2541522332433 |
7 | 315206645520 |
oct | 57713033445 |
9 | 17530437133 |
10 | 6428571429 |
11 | 27a9840955 |
12 | 12b4aba119 |
13 | 7b5b02027 |
14 | 44dacdbb7 |
15 | 279591d89 |
hex | 17f2c3725 |
6428571429 has 8 divisors (see below), whose sum is σ = 9795918400. Its totient is φ = 3673469376.
The previous prime is 6428571379. The next prime is 6428571431. The reversal of 6428571429 is 9241758246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6428571429 - 28 = 6428571173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6428571439) 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 7 ways as a sum of consecutive naturals, for example, 153061204 + ... + 153061245.
It is an arithmetic number, because the mean of its divisors is an integer number (1224489800).
Almost surely, 26428571429 is an apocalyptic number.
It is an amenable number.
6428571429 is a deficient number, since it is larger than the sum of its proper divisors (3367346971).
6428571429 is a wasteful number, since it uses less digits than its factorization.
6428571429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306122459.
The product of its digits is 967680, while the sum is 48.
The square root of 6428571429 is about 80178.3725763999. The cubic root of 6428571429 is about 1859.3942827646.
The spelling of 6428571429 in words is "six billion, four hundred twenty-eight million, five hundred seventy-one thousand, four hundred twenty-nine".
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