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43105144241 = 317135978373
BaseRepresentation
bin101000001001010001…
…000100110110110001
311010021001221012121202
4220021101010312301
51201234404103431
631445140500545
73054120452315
oct501121046661
9133231835552
1043105144241
111730a803955
12842b9aa755
1340ac48bc13
14212cb43b45
1511c43e98cb
hexa09444db1

43105144241 has 4 divisors (see below), whose sum is σ = 43241122932. Its totient is φ = 42969165552.

The previous prime is 43105144237. The next prime is 43105144267. The reversal of 43105144241 is 14244150134.

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 5183424016 + 37921720225 = 71996^2 + 194735^2 .

It is a cyclic number.

It is not a de Polignac number, because 43105144241 - 22 = 43105144237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43105144211) 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, 67988870 + ... + 67989503.

It is an arithmetic number, because the mean of its divisors is an integer number (10810280733).

Almost surely, 243105144241 is an apocalyptic number.

It is an amenable number.

43105144241 is a deficient number, since it is larger than the sum of its proper divisors (135978691).

43105144241 is a wasteful number, since it uses less digits than its factorization.

43105144241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135978690.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 43105144241 its reverse (14244150134), we get a palindrome (57349294375).

The spelling of 43105144241 in words is "forty-three billion, one hundred five million, one hundred forty-four thousand, two hundred forty-one".

Divisors: 1 317 135978373 43105144241