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42252405205 = 510987798831
BaseRepresentation
bin100111010110011100…
…001000100111010101
311001001122100120120111
4213112130020213111
51143013103431310
631224355403021
73024024342553
oct472634104725
9131048316514
1042252405205
1116a1242144a
1282322b3471
133ca4901cca
14208b7aabd3
15117460628a
hex9d67089d5

42252405205 has 16 divisors (see below), whose sum is σ = 51179673600. Its totient is φ = 33484207680.

The previous prime is 42252405163. The next prime is 42252405211. The reversal of 42252405205 is 50250425224.

42252405205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42252405205 - 27 = 42252405077 is a prime.

It is a super-2 number, since 2×422524052052 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4780140 + ... + 4788970.

It is an arithmetic number, because the mean of its divisors is an integer number (3198729600).

Almost surely, 242252405205 is an apocalyptic number.

It is an amenable number.

42252405205 is a deficient number, since it is larger than the sum of its proper divisors (8927268395).

42252405205 is a wasteful number, since it uses less digits than its factorization.

42252405205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17724.

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 42252405205 in words is "forty-two billion, two hundred fifty-two million, four hundred five thousand, two hundred five".

Divisors: 1 5 109 545 8779 8831 43895 44155 956911 962579 4784555 4812895 77527349 387636745 8450481041 42252405205