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306053790133 = 721310927715913
BaseRepresentation
bin1000111010000100011…
…10100011100110110101
31002020222102012102121111
410131002032203212311
520003244232241013
6352333230515021
731053204202300
oct4350216434665
91066872172544
10306053790133
11108884427443
124b394965a71
1322b260abc50
1410b55153b37
157e63dbe73d
hex47423a39b5

306053790133 has 48 divisors (see below), whose sum is σ = 388346795760. Its totient is φ = 239049667584.

The previous prime is 306053790131. The next prime is 306053790137. The reversal of 306053790133 is 331097350603.

It can be written as a sum of positive squares in 8 ways, for example, as 3287531569 + 302766258564 = 57337^2 + 550242^2 .

It is not a de Polignac number, because 306053790133 - 21 = 306053790131 is a prime.

It is a super-3 number, since 3×3060537901333 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306053790131) 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 47 ways as a sum of consecutive naturals, for example, 19224985 + ... + 19240897.

It is an arithmetic number, because the mean of its divisors is an integer number (8090558245).

Almost surely, 2306053790133 is an apocalyptic number.

It is an amenable number.

306053790133 is a deficient number, since it is larger than the sum of its proper divisors (82293005627).

306053790133 is a wasteful number, since it uses less digits than its factorization.

306053790133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326 (or 16319 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 40.

The spelling of 306053790133 in words is "three hundred six billion, fifty-three million, seven hundred ninety thousand, one hundred thirty-three".

Divisors: 1 7 13 49 91 109 277 637 763 1417 1939 3601 5341 9919 13573 15913 25207 30193 69433 111391 176449 206869 211351 392509 779737 1448083 1479457 1734517 2747563 4407901 10136581 12141619 19232941 22548721 30855307 57302713 84991333 157841047 215987149 401118991 480461209 1104887329 2807832937 3363228463 6245995717 23542599241 43721970019 306053790133