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42006557741 = 794311233709
BaseRepresentation
bin100111000111110010…
…010011010000101101
311000102111202020020212
4213013302103100231
51142012134321431
631144134152205
73014650564241
oct470762232055
9130374666225
1042006557741
11168a6674625
128183ab2665
133c659b4735
142066c92421
15115cc4272b
hex9c7c9342d

42006557741 has 8 divisors (see below), whose sum is σ = 42637017600. Its totient is φ = 41378566320.

The previous prime is 42006557729. The next prime is 42006557807. The reversal of 42006557741 is 14775560024.

42006557741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-42006557741 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 (42006557701) 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, 582806 + ... + 650903.

It is an arithmetic number, because the mean of its divisors is an integer number (5329627200).

Almost surely, 242006557741 is an apocalyptic number.

It is an amenable number.

42006557741 is a deficient number, since it is larger than the sum of its proper divisors (630459859).

42006557741 is a wasteful number, since it uses less digits than its factorization.

42006557741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234219.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 42006557741 in words is "forty-two billion, six million, five hundred fifty-seven thousand, seven hundred forty-one".

Divisors: 1 79 431 34049 1233709 97463011 531728579 42006557741