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43054420141 = 101942251639
BaseRepresentation
bin101000000110001111…
…100101000010101101
311010010112111011020101
4220012033211002231
51201133412421031
631440125351101
73052633350535
oct500617450255
9133115434211
1043054420141
1117294109107
128416a08491
1340a1b0c065
1421260dc4c5
1511bec2a361
hexa063e50ad

43054420141 has 4 divisors (see below), whose sum is σ = 43096672800. Its totient is φ = 43012167484.

The previous prime is 43054420043. The next prime is 43054420183. The reversal of 43054420141 is 14102445034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43054420141 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 (43054423141) 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, 21124801 + ... + 21126838.

It is an arithmetic number, because the mean of its divisors is an integer number (10774168200).

Almost surely, 243054420141 is an apocalyptic number.

It is an amenable number.

43054420141 is a deficient number, since it is larger than the sum of its proper divisors (42252659).

43054420141 is a wasteful number, since it uses less digits than its factorization.

43054420141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42252658.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 43054420141 its reverse (14102445034), we get a palindrome (57156865175).

The spelling of 43054420141 in words is "forty-three billion, fifty-four million, four hundred twenty thousand, one hundred forty-one".

Divisors: 1 1019 42251639 43054420141