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306027387137 = 739341394209
BaseRepresentation
bin1000111010000001010…
…01110101100100000001
31002020220120112000111202
410131000221311210001
520003221002342022
6352330444550545
731052433604523
oct4350051654401
91066816460452
10306027387137
1110887053348a
124b387b52455
1322b20796284
1410b5183da13
157e61906592
hex4740a75901

306027387137 has 4 divisors (see below), whose sum is σ = 306068788740. Its totient is φ = 305985985536.

The previous prime is 306027387091. The next prime is 306027387151. The reversal of 306027387137 is 731783720603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131070065296 + 174957321841 = 362036^2 + 418279^2 .

It is a cyclic number.

It is not a de Polignac number, because 306027387137 - 26 = 306027387073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306027387091 and 306027387100.

It is not an unprimeable number, because it can be changed into a prime (306027387157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20689712 + ... + 20704497.

It is an arithmetic number, because the mean of its divisors is an integer number (76517197185).

Almost surely, 2306027387137 is an apocalyptic number.

It is an amenable number.

306027387137 is a deficient number, since it is larger than the sum of its proper divisors (41401603).

306027387137 is an equidigital number, since it uses as much as digits as its factorization.

306027387137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41401602.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 306027387137 in words is "three hundred six billion, twenty-seven million, three hundred eighty-seven thousand, one hundred thirty-seven".

Divisors: 1 7393 41394209 306027387137