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505555005004 = 22718055535893
BaseRepresentation
bin1110101101101010110…
…11010010111001001100
31210022220222221012112121
413112311123102321030
531240334040130004
61024125422142324
751345060432250
oct7266533227114
91708828835477
10505555005004
1118544a690a25
1281b914219a4
133889ac7cc9a
141a67ccb8260
15d23d66a854
hex75b56d2e4c

505555005004 has 12 divisors (see below), whose sum is σ = 1011110010064. Its totient is φ = 216666430704.

The previous prime is 505555004837. The next prime is 505555005047. The reversal of 505555005004 is 400500555505.

505555005004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9027767919 + ... + 9027767974.

Almost surely, 2505555005004 is an apocalyptic number.

It is an amenable number.

505555005004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505555005004 is a wasteful number, since it uses less digits than its factorization.

505555005004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055535904 (or 18055535902 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 505555005004 in words is "five hundred five billion, five hundred fifty-five million, five thousand, four".

Divisors: 1 2 4 7 14 28 18055535893 36111071786 72222143572 126388751251 252777502502 505555005004