Base | Representation |
---|---|
bin | 1110010010001101… |
… | …00101010100011111 |
3 | 201210110102011112002 |
4 | 13021012211110133 |
5 | 111201220212224 |
6 | 3304551232515 |
7 | 361020455135 |
oct | 71106452437 |
9 | 21713364462 |
10 | 7668913439 |
11 | 32859a11a0 |
12 | 15a037873b |
13 | 952a7c905 |
14 | 52a721755 |
15 | 2ed3ea9ae |
hex | 1c91a551f |
7668913439 has 8 divisors (see below), whose sum is σ = 8654573520. Its totient is φ = 6731334400.
The previous prime is 7668913433. The next prime is 7668913481. The reversal of 7668913439 is 9343198667.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7668913439 - 220 = 7667864863 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 (7668913433) 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 7 ways as a sum of consecutive naturals, for example, 12019922 + ... + 12020559.
It is an arithmetic number, because the mean of its divisors is an integer number (1081821690).
Almost surely, 27668913439 is an apocalyptic number.
7668913439 is a deficient number, since it is larger than the sum of its proper divisors (985660081).
7668913439 is a wasteful number, since it uses less digits than its factorization.
7668913439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24040521.
The product of its digits is 5878656, while the sum is 56.
The square root of 7668913439 is about 87572.3326113905. The cubic root of 7668913439 is about 1972.0198338498.
The spelling of 7668913439 in words is "seven billion, six hundred sixty-eight million, nine hundred thirteen thousand, four hundred thirty-nine".
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