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42888865540 = 22520023107099
BaseRepresentation
bin100111111100011000…
…000010011100000100
311002200222222010000111
4213330120002130010
51200314022144130
631411453122404
73045553225213
oct477430023404
9132628863014
1042888865540
1117209712524
12838b489404
134076725261
14210c12507a
1511b042702a
hex9fc602704

42888865540 has 24 divisors (see below), whose sum is σ = 90071956800. Its totient is φ = 17154529248.

The previous prime is 42888865529. The next prime is 42888865549. The reversal of 42888865540 is 4556888824.

It is not an unprimeable number, because it can be changed into a prime (42888865549) 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, 346911 + ... + 454009.

It is an arithmetic number, because the mean of its divisors is an integer number (3752998200).

Almost surely, 242888865540 is an apocalyptic number.

It is an amenable number.

42888865540 is an abundant number, since it is smaller than the sum of its proper divisors (47183091260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42888865540 is a wasteful number, since it uses less digits than its factorization.

42888865540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127131 (or 127129 counting only the distinct ones).

The product of its (nonzero) digits is 19660800, while the sum is 58.

The spelling of 42888865540 in words is "forty-two billion, eight hundred eighty-eight million, eight hundred sixty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 20023 40046 80092 100115 107099 200230 214198 400460 428396 535495 1070990 2141980 2144443277 4288886554 8577773108 10722216385 21444432770 42888865540