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555500054987 = 12739711017673
BaseRepresentation
bin10000001010101100110…
…00100010100111001011
31222002211202100121220122
420011112120202213023
533100131003224422
61103105422013455
755063544363003
oct10052630424713
91862752317818
10555500054987
111a464a332239
128b7aba1728b
13404ca5204b7
141cc5a1c3003
15e6b32a8d42
hex81566229cb

555500054987 has 8 divisors (see below), whose sum is σ = 561284384256. Its totient is φ = 549737762112.

The previous prime is 555500054959. The next prime is 555500055007. The reversal of 555500054987 is 789450005555.

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 555500054987 - 212 = 555500050891 is a prime.

It is a super-2 number, since 2×5555000549872 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555500054917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5458418 + ... + 5559255.

It is an arithmetic number, because the mean of its divisors is an integer number (70160548032).

Almost surely, 2555500054987 is an apocalyptic number.

555500054987 is a deficient number, since it is larger than the sum of its proper divisors (5784329269).

555500054987 is a wasteful number, since it uses less digits than its factorization.

555500054987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018197.

The product of its (nonzero) digits is 6300000, while the sum is 53.

The spelling of 555500054987 in words is "five hundred fifty-five billion, five hundred million, fifty-four thousand, nine hundred eighty-seven".

Divisors: 1 127 397 50419 11017673 1399244471 4374016181 555500054987