Search a number
-
+
344865942013 = 619535932361
BaseRepresentation
bin1010000010010111001…
…11001010100111111101
31012222011022010000211011
411001023213022213331
521122241140121023
6422232413555221
733626046066115
oct5011347124775
91188138100734
10344865942013
1112329091961a
1256a06aa5b11
13266a00331a8
1412997a76045
158e8646b50d
hex504b9ca9fd

344865942013 has 8 divisors (see below), whose sum is σ = 350887347576. Its totient is φ = 338856403200.

The previous prime is 344865941941. The next prime is 344865942037. The reversal of 344865942013 is 310249568443.

It can be written as a sum of positive squares in 4 ways, for example, as 56928528409 + 287937413604 = 238597^2 + 536598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344865942013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344865946013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908048 + ... + 3024313.

It is an arithmetic number, because the mean of its divisors is an integer number (43860918447).

Almost surely, 2344865942013 is an apocalyptic number.

It is an amenable number.

344865942013 is a deficient number, since it is larger than the sum of its proper divisors (6021405563).

344865942013 is an equidigital number, since it uses as much as digits as its factorization.

344865942013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933375.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 344865942013 in words is "three hundred forty-four billion, eight hundred sixty-five million, nine hundred forty-two thousand, thirteen".

Divisors: 1 61 953 58133 5932361 361874021 5653540033 344865942013