Base | Representation |
---|---|
bin | 100011011100100101… |
… | …0100100101101110011 |
3 | 21021111000002111110122 |
4 | 1012321022210231303 |
5 | 2221343434011234 |
6 | 54545225120455 |
7 | 5333230555043 |
oct | 1067112445563 |
9 | 237430074418 |
10 | 76121000819 |
11 | 2a312358636 |
12 | 1290492912b |
13 | 72415caa26 |
14 | 3981921723 |
15 | 1ea7b9a92e |
hex | 11b92a4b73 |
76121000819 has 8 divisors (see below), whose sum is σ = 77929734960. Its totient is φ = 74314015776.
The previous prime is 76121000777. The next prime is 76121000831. The reversal of 76121000819 is 91800012167.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-76121000819 is a prime.
It is a super-2 number, since 2×761210008192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76121000849) 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, 348992 + ... + 523485.
It is an arithmetic number, because the mean of its divisors is an integer number (9741216870).
Almost surely, 276121000819 is an apocalyptic number.
76121000819 is a deficient number, since it is larger than the sum of its proper divisors (1808734141).
76121000819 is a wasteful number, since it uses less digits than its factorization.
76121000819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 874549.
The product of its (nonzero) digits is 6048, while the sum is 35.
The spelling of 76121000819 in words is "seventy-six billion, one hundred twenty-one million, eight hundred nineteen", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •