Base | Representation |
---|---|
bin | 100011110010010011… |
… | …0110001010101110000 |
3 | 21100100210110222121202 |
4 | 1013210212301111300 |
5 | 2224342023002343 |
6 | 55145422110332 |
7 | 5360260426334 |
oct | 1074446612560 |
9 | 240323428552 |
10 | 76849812848 |
11 | 2a656796926 |
12 | 12a88a1b3a8 |
13 | 73295b7453 |
14 | 3a106397c4 |
15 | 1eebb5edb8 |
hex | 11e49b1570 |
76849812848 has 60 divisors (see below), whose sum is σ = 157241732760. Its totient is φ = 36380285568.
The previous prime is 76849812841. The next prime is 76849812869. The reversal of 76849812848 is 84821894867.
It is a super-2 number, since 2×768498128482 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76849812841) 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 11 ways as a sum of consecutive naturals, for example, 13091258 + ... + 13097126.
It is an arithmetic number, because the mean of its divisors is an integer number (2620695546).
Almost surely, 276849812848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 76849812848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78620866380).
76849812848 is an abundant number, since it is smaller than the sum of its proper divisors (80391919912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76849812848 is a wasteful number, since it uses less digits than its factorization.
76849812848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8182 (or 8157 counting only the distinct ones).
The product of its digits is 49545216, while the sum is 65.
The spelling of 76849812848 in words is "seventy-six billion, eight hundred forty-nine million, eight hundred twelve thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •