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16555230070745 = 517652572984621
BaseRepresentation
bin1111000011101001000010…
…0110111000011111011001
32011121122221110002210212212
43300322100212320133121
54132220102344230440
655113211231244505
73326035014524432
oct360722046703731
964548843083785
1016555230070745
115303040865533
121a34621079735
139311c7ab9c02
144133c5302489
151da98d604465
hexf0e909b87d9

16555230070745 has 16 divisors (see below), whose sum is σ = 21035209947408. Its totient is φ = 12464919214080.

The previous prime is 16555230070723. The next prime is 16555230070751. The reversal of 16555230070745 is 54707003255561.

It can be written as a sum of positive squares in 8 ways, for example, as 342777462784 + 16212452607961 = 585472^2 + 4026469^2 .

It is not a de Polignac number, because 16555230070745 - 224 = 16555213293529 is a prime.

It is a super-3 number, since 3×165552300707453 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16555230070693 and 16555230070702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4054535 + ... + 7039155.

It is an arithmetic number, because the mean of its divisors is an integer number (1314700621713).

Almost surely, 216555230070745 is an apocalyptic number.

It is an amenable number.

16555230070745 is a deficient number, since it is larger than the sum of its proper divisors (4479979876663).

16555230070745 is a wasteful number, since it uses less digits than its factorization.

16555230070745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049900.

The product of its (nonzero) digits is 4410000, while the sum is 50.

The spelling of 16555230070745 in words is "sixteen trillion, five hundred fifty-five billion, two hundred thirty million, seventy thousand, seven hundred forty-five".

Divisors: 1 5 17 85 65257 326285 1109369 2984621 5546845 14923105 50738557 253692785 194767412597 973837062985 3311046014149 16555230070745