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42644616005 = 557491483549
BaseRepresentation
bin100111101101110100…
…010011001101000101
311002001222100221122102
4213231310103031011
51144314010203010
631331330041445
73036526153355
oct475564231505
9132058327572
1042644616005
11170a3857202
128321719285
134037c470c4
1420c7904b65
151198c7bba5
hex9edd13345

42644616005 has 8 divisors (see below), whose sum is σ = 51182475000. Its totient is φ = 34109735616.

The previous prime is 42644615989. The next prime is 42644616019. The reversal of 42644616005 is 50061644624.

It can be written as a sum of positive squares in 4 ways, for example, as 5954745889 + 36689870116 = 77167^2 + 191546^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42644616005 - 24 = 42644615989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42644616005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713030 + ... + 770519.

It is an arithmetic number, because the mean of its divisors is an integer number (6397809375).

Almost surely, 242644616005 is an apocalyptic number.

It is an amenable number.

42644616005 is a deficient number, since it is larger than the sum of its proper divisors (8537858995).

42644616005 is a wasteful number, since it uses less digits than its factorization.

42644616005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489303.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 42644616005 in words is "forty-two billion, six hundred forty-four million, six hundred sixteen thousand, five".

Divisors: 1 5 5749 28745 1483549 7417745 8528923201 42644616005