Base | Representation |
---|---|
bin | 1101001101010001… |
… | …10011001110000101 |
3 | 200022011100220100001 |
4 | 12212220303032011 |
5 | 104010203240314 |
6 | 3131333521301 |
7 | 340466535340 |
oct | 64650631605 |
9 | 20264326301 |
10 | 7090680709 |
11 | 3009560402 |
12 | 145a7a3231 |
13 | 890035978 |
14 | 4b3a03457 |
15 | 2b777c674 |
hex | 1a6a33385 |
7090680709 has 8 divisors (see below), whose sum is σ = 8276053248. Its totient is φ = 5948412720.
The previous prime is 7090680673. The next prime is 7090680713. The reversal of 7090680709 is 9070860907.
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 7090680709 - 27 = 7090680581 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 (7090680799) 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, 10775782 + ... + 10776439.
It is an arithmetic number, because the mean of its divisors is an integer number (1034506656).
Almost surely, 27090680709 is an apocalyptic number.
It is an amenable number.
7090680709 is a deficient number, since it is larger than the sum of its proper divisors (1185372539).
7090680709 is a wasteful number, since it uses less digits than its factorization.
7090680709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21552275.
The product of its (nonzero) digits is 190512, while the sum is 46.
The square root of 7090680709 is about 84206.1797554075. The cubic root of 7090680709 is about 1921.1560519267.
The spelling of 7090680709 in words is "seven billion, ninety million, six hundred eighty thousand, seven hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.121 sec. • engine limits •