Base | Representation |
---|---|
bin | 1110010100100110… |
… | …10111110000011111 |
3 | 201211212021212001110 |
4 | 13022103113300133 |
5 | 111221343333400 |
6 | 3310550513103 |
7 | 361353533625 |
oct | 71223276037 |
9 | 21755255043 |
10 | 7689042975 |
11 | 329629a879 |
12 | 15a7065793 |
13 | 956ca9c93 |
14 | 52d281515 |
15 | 300074e50 |
hex | 1ca4d7c1f |
7689042975 has 24 divisors (see below), whose sum is σ = 12777106320. Its totient is φ = 4079998720.
The previous prime is 7689042971. The next prime is 7689043073. The reversal of 7689042975 is 5792409867.
It is not a de Polignac number, because 7689042975 - 22 = 7689042971 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7689042971) 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 23 ways as a sum of consecutive naturals, for example, 245430 + ... + 274979.
It is an arithmetic number, because the mean of its divisors is an integer number (532379430).
Almost surely, 27689042975 is an apocalyptic number.
7689042975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
7689042975 is a deficient number, since it is larger than the sum of its proper divisors (5088063345).
7689042975 is a wasteful number, since it uses less digits than its factorization.
7689042975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520619 (or 520614 counting only the distinct ones).
The product of its (nonzero) digits is 7620480, while the sum is 57.
The square root of 7689042975 is about 87687.1882032946. The cubic root of 7689042975 is about 1973.7437270539.
The spelling of 7689042975 in words is "seven billion, six hundred eighty-nine million, forty-two thousand, nine hundred seventy-five".
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