Base | Representation |
---|---|
bin | 100110000001101101… |
… | …101101011111001001 |
3 | 10220101120122010200021 |
4 | 212001231231133021 |
5 | 1132110210334241 |
6 | 30431340540441 |
7 | 2643554225401 |
oct | 460155553711 |
9 | 126346563607 |
10 | 40830949321 |
11 | 16353008618 |
12 | 7ab6251721 |
13 | 3b09280556 |
14 | 1d94ab1801 |
15 | 10de9240d1 |
hex | 981b6d7c9 |
40830949321 has 4 divisors (see below), whose sum is σ = 40831449732. Its totient is φ = 40830448912.
The previous prime is 40830949309. The next prime is 40830949349. The reversal of 40830949321 is 12394903804.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 34238321296 + 6592628025 = 185036^2 + 81195^2 .
It is a cyclic number.
It is not a de Polignac number, because 40830949321 - 27 = 40830949193 is a prime.
It is a super-2 number, since 2×408309493212 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (40830949021) 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 3 ways as a sum of consecutive naturals, for example, 96226 + ... + 301531.
It is an arithmetic number, because the mean of its divisors is an integer number (10207862433).
Almost surely, 240830949321 is an apocalyptic number.
It is an amenable number.
40830949321 is a deficient number, since it is larger than the sum of its proper divisors (500411).
40830949321 is a wasteful number, since it uses less digits than its factorization.
40830949321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500410.
The product of its (nonzero) digits is 186624, while the sum is 43.
The spelling of 40830949321 in words is "forty billion, eight hundred thirty million, nine hundred forty-nine thousand, three hundred twenty-one".
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