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348065143397 = 361796230341
BaseRepresentation
bin1010001000010100100…
…11001001101001100101
31020021102020222022002022
411010022103021221211
521200314134042042
6423522055552525
734101243621626
oct5041223115145
91207366868068
10348065143397
11124682776a04
125755a38b745
1326a8ca8236a
1412bbc8d3a4d
1590c225ccd2
hex510a4c9a65

348065143397 has 4 divisors (see below), whose sum is σ = 348161377356. Its totient is φ = 347968909440.

The previous prime is 348065143357. The next prime is 348065143409. The reversal of 348065143397 is 793341560843.

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 20367285796 + 327697857601 = 142714^2 + 572449^2 .

It is a cyclic number.

It is not a de Polignac number, because 348065143397 - 216 = 348065077861 is a prime.

It is a super-2 number, since 2×3480651433972 (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 (348065143357) 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, 48111554 + ... + 48118787.

It is an arithmetic number, because the mean of its divisors is an integer number (87040344339).

Almost surely, 2348065143397 is an apocalyptic number.

It is an amenable number.

348065143397 is a deficient number, since it is larger than the sum of its proper divisors (96233959).

348065143397 is an equidigital number, since it uses as much as digits as its factorization.

348065143397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96233958.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 348065143397 in words is "three hundred forty-eight billion, sixty-five million, one hundred forty-three thousand, three hundred ninety-seven".

Divisors: 1 3617 96230341 348065143397