Base | Representation |
---|---|
bin | 10111101010011101110… |
… | …00000010001001110001 |
3 | 2212201200101122210010112 |
4 | 23311032320002021301 |
5 | 101310132431140143 |
6 | 1421304205311105 |
7 | 112512454036115 |
oct | 13651670021161 |
9 | 2781611583115 |
10 | 813072130673 |
11 | 293905025a80 |
12 | 1116b4265495 |
13 | 5b89828493a |
14 | 2b4d2509745 |
15 | 1623ac40e18 |
hex | bd4ee02271 |
813072130673 has 8 divisors (see below), whose sum is σ = 898215473280. Its totient is φ = 729800070480.
The previous prime is 813072130601. The next prime is 813072130723. The reversal of 813072130673 is 376031270318.
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 813072130673 - 28 = 813072130417 is a prime.
It is a super-3 number, since 3×8130721306733 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 813072130673.
It is not an unprimeable number, because it can be changed into a prime (813072130573) 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 7 ways as a sum of consecutive naturals, for example, 467819690 + ... + 467821427.
It is an arithmetic number, because the mean of its divisors is an integer number (112276934160).
Almost surely, 2813072130673 is an apocalyptic number.
It is an amenable number.
813072130673 is a deficient number, since it is larger than the sum of its proper divisors (85143342607).
813072130673 is a wasteful number, since it uses less digits than its factorization.
813072130673 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935641207.
The product of its (nonzero) digits is 127008, while the sum is 41.
The spelling of 813072130673 in words is "eight hundred thirteen billion, seventy-two million, one hundred thirty thousand, six hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •