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5555055005505 = 325123445666789
BaseRepresentation
bin101000011010110001100…
…0101001000111101000001
3201200001120100000220012200
41100311203011020331001
51212003223040134010
615451542415343413
71112224304314605
oct120654305107501
921601510026180
105555055005505
111851981804505
12758734821b69
13313abb32c175
14152c1a7d9505
15997768b8cc0
hex50d63148f41

5555055005505 has 12 divisors (see below), whose sum is σ = 9628762009620. Its totient is φ = 2962696002912.

The previous prime is 5555055005473. The next prime is 5555055005519. The reversal of 5555055005505 is 5055005505555.

It can be written as a sum of positive squares in 2 ways, for example, as 1073095025409 + 4481959980096 = 1035903^2 + 2117064^2 .

It is not a de Polignac number, because 5555055005505 - 25 = 5555055005473 is a prime.

It is a super-2 number, since 2×55550550055052 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 123445666789 = 5555055005505 / (5 + 5 + 5 + 5 + 0 + 5 + 5 + 0 + 0 + 5 + 5 + 0 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61722833350 + ... + 61722833439.

It is an arithmetic number, because the mean of its divisors is an integer number (802396834135).

Almost surely, 25555055005505 is an apocalyptic number.

It is an amenable number.

5555055005505 is a deficient number, since it is larger than the sum of its proper divisors (4073707004115).

5555055005505 is a wasteful number, since it uses less digits than its factorization.

5555055005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123445666800 (or 123445666797 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 5555055005505 in words is "five trillion, five hundred fifty-five billion, fifty-five million, five thousand, five hundred five".

Divisors: 1 3 5 9 15 45 123445666789 370337000367 617228333945 1111011001101 1851685001835 5555055005505