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43075092481 = 342671257043
BaseRepresentation
bin101000000111011110…
…011100000000000001
311010011222101102100121
4220013132130000001
51201204210424411
631442144420241
73053304150001
oct500736340001
9133158342317
1043075092481
11172a4848593
128421917681
1340a6199505
142128b60001
1511c1960571
hexa0779c001

43075092481 has 4 divisors (see below), whose sum is σ = 43076383792. Its totient is φ = 43073801172.

The previous prime is 43075092427. The next prime is 43075092497. The reversal of 43075092481 is 18429057034.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18429057034 = 29214528517.

It is a cyclic number.

It is not a de Polignac number, because 43075092481 - 217 = 43074961409 is a prime.

It is a super-2 number, since 2×430750924812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43075090481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594255 + ... + 662788.

It is an arithmetic number, because the mean of its divisors is an integer number (10769095948).

Almost surely, 243075092481 is an apocalyptic number.

It is an amenable number.

43075092481 is a deficient number, since it is larger than the sum of its proper divisors (1291311).

43075092481 is a wasteful number, since it uses less digits than its factorization.

43075092481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291310.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 43075092481 in words is "forty-three billion, seventy-five million, ninety-two thousand, four hundred eighty-one".

Divisors: 1 34267 1257043 43075092481