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349379127157 = 361796593621
BaseRepresentation
bin1010001010110001001…
…11100110011101110101
31020101210211110120221111
411011120213212131311
521211012024032112
6424300315115021
734145640403234
oct5053047463565
91211724416844
10349379127157
111251974553a5
1257866442a71
1326c3c075248
1412ca5214b1b
15914c7b15a7
hex51589e6775

349379127157 has 4 divisors (see below), whose sum is σ = 349475724396. Its totient is φ = 349282529920.

The previous prime is 349379127133. The next prime is 349379127173. The reversal of 349379127157 is 751721973943.

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 569585956 + 348809541201 = 23866^2 + 590601^2 .

It is a cyclic number.

It is not a de Polignac number, because 349379127157 - 27 = 349379127029 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349379127187) 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, 48293194 + ... + 48300427.

It is an arithmetic number, because the mean of its divisors is an integer number (87368931099).

Almost surely, 2349379127157 is an apocalyptic number.

It is an amenable number.

349379127157 is a deficient number, since it is larger than the sum of its proper divisors (96597239).

349379127157 is an equidigital number, since it uses as much as digits as its factorization.

349379127157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96597238.

The product of its digits is 10001880, while the sum is 58.

The spelling of 349379127157 in words is "three hundred forty-nine billion, three hundred seventy-nine million, one hundred twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 3617 96593621 349379127157