Base | Representation |
---|---|
bin | 1101010010111011… |
… | …01011101011011101 |
3 | 200102110120221110202 |
4 | 12221131223223131 |
5 | 104104323113020 |
6 | 3140150113245 |
7 | 341613555002 |
oct | 65135535335 |
9 | 20373527422 |
10 | 7138097885 |
11 | 30332a7656 |
12 | 147264b825 |
13 | 899ac8579 |
14 | 4ba0278a9 |
15 | 2bb9e6e75 |
hex | 1a976badd |
7138097885 has 8 divisors (see below), whose sum is σ = 8578262880. Its totient is φ = 5702114704.
The previous prime is 7138097873. The next prime is 7138097891. The reversal of 7138097885 is 5887908317.
7138097885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 7138097885 - 230 = 6064356061 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7138097885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041695 + ... + 1048524.
It is an arithmetic number, because the mean of its divisors is an integer number (1072282860).
Almost surely, 27138097885 is an apocalyptic number.
It is an amenable number.
7138097885 is a deficient number, since it is larger than the sum of its proper divisors (1440164995).
7138097885 is a wasteful number, since it uses less digits than its factorization.
7138097885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2090907.
The product of its (nonzero) digits is 3386880, while the sum is 56.
The square root of 7138097885 is about 84487.2646320142. The cubic root of 7138097885 is about 1925.4289602322.
The spelling of 7138097885 in words is "seven billion, one hundred thirty-eight million, ninety-seven thousand, eight hundred eighty-five".
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