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43050230665 = 51343131117577
BaseRepresentation
bin101000000101111111…
…100110001110001001
311010010020121022100121
4220011333212032021
51201131324340130
631435455503241
73052552631401
oct500577461611
9133106538317
1043050230665
1117291807532
128415527b21
1340a0ca3190
14212572b801
1511be69dd7a
hexa05fe6389

43050230665 has 32 divisors (see below), whose sum is σ = 57363014016. Its totient is φ = 30814318080.

The previous prime is 43050230623. The next prime is 43050230683. The reversal of 43050230665 is 56603205034.

43050230665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-43050230665 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43050230665.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307357 + ... + 424933.

It is an arithmetic number, because the mean of its divisors is an integer number (1792594188).

Almost surely, 243050230665 is an apocalyptic number.

It is an amenable number.

43050230665 is a deficient number, since it is larger than the sum of its proper divisors (14312783351).

43050230665 is a wasteful number, since it uses less digits than its factorization.

43050230665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117769.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 43050230665 its reverse (56603205034), we get a palindrome (99653435699).

The spelling of 43050230665 in words is "forty-three billion, fifty million, two hundred thirty thousand, six hundred sixty-five".

Divisors: 1 5 13 43 65 131 215 559 655 1703 2795 5633 8515 28165 73229 117577 366145 587885 1528501 5055811 7642505 15402587 25279055 65725543 77012935 200233631 328627715 662311241 1001168155 3311556205 8610046133 43050230665