Base | Representation |
---|---|
bin | 1101110100100111… |
… | …01010111011011101 |
3 | 201011011022220112220 |
4 | 12322103222323131 |
5 | 110144143423140 |
6 | 3224203015553 |
7 | 351614535123 |
oct | 67223527335 |
9 | 21134286486 |
10 | 7420686045 |
11 | 3168869293 |
12 | 153120a5b9 |
13 | 91350acb6 |
14 | 505787913 |
15 | 2d6716bd0 |
hex | 1ba4eaedd |
7420686045 has 16 divisors (see below), whose sum is σ = 11874327360. Its totient is φ = 3957289344.
The previous prime is 7420686011. The next prime is 7420686061. The reversal of 7420686045 is 5406860247.
It is not a de Polignac number, because 7420686045 - 29 = 7420685533 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7420685988 and 7420686006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174441 + ... + 212769.
It is an arithmetic number, because the mean of its divisors is an integer number (742145460).
Almost surely, 27420686045 is an apocalyptic number.
It is an amenable number.
7420686045 is a deficient number, since it is larger than the sum of its proper divisors (4453641315).
7420686045 is a wasteful number, since it uses less digits than its factorization.
7420686045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51244.
The product of its (nonzero) digits is 322560, while the sum is 42.
The square root of 7420686045 is about 86143.4039552652. The cubic root of 7420686045 is about 1950.5092726382.
The spelling of 7420686045 in words is "seven billion, four hundred twenty million, six hundred eighty-six thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •