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348036806189 = 2713128284853
BaseRepresentation
bin1010001000010001001…
…11000011011000101101
31020021100021122121202002
411010020213003120231
521200234410244224
6423515204342045
734100451020102
oct5041047033055
91207307577662
10348036806189
11124668781826
12575509a4925
1326a86c40197
1412bb8c38aa9
1590bea119ae
hex51089c362d

348036806189 has 4 divisors (see below), whose sum is σ = 348165093756. Its totient is φ = 347908518624.

The previous prime is 348036806153. The next prime is 348036806213. The reversal of 348036806189 is 981608630843.

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 294541742089 + 53495064100 = 542717^2 + 231290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-348036806189 is a prime.

It is a super-2 number, since 2×3480368061892 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348036809189) 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, 64139714 + ... + 64145139.

It is an arithmetic number, because the mean of its divisors is an integer number (87041273439).

Almost surely, 2348036806189 is an apocalyptic number.

It is an amenable number.

348036806189 is a deficient number, since it is larger than the sum of its proper divisors (128287567).

348036806189 is a wasteful number, since it uses less digits than its factorization.

348036806189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128287566.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 348036806189 in words is "three hundred forty-eight billion, thirty-six million, eight hundred six thousand, one hundred eighty-nine".

Divisors: 1 2713 128284853 348036806189