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545545404545545 = 5624717465836547
BaseRepresentation
bin111110000001010111011000…
…0000010111111101000001001
32122112121122001020111101121201
41330002232300002333220021
51033001203442030424140
65212140033214504201
7222624232460104465
oct17402566002775011
92575548036441551
10545545404545545
111489115635879a8
125122a430205061
131a553931b24b71
1498a07777994a5
154310d4bb6d49a
hex1f02bb00bfa09

545545404545545 has 8 divisors (see below), whose sum is σ = 654759280511424. Its totient is φ = 436366460265264.

The previous prime is 545545404545503. The next prime is 545545404545593.

545545404545545 is nontrivially palindromic in base 10.

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 545545404545545 - 27 = 545545404545417 is a prime.

It is a super-2 number, since 2×5455454045455452 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 8732887039 + ... + 8732949508.

It is an arithmetic number, because the mean of its divisors is an integer number (81844910063928).

Almost surely, 2545545404545545 is an apocalyptic number.

It is an amenable number.

545545404545545 is a deficient number, since it is larger than the sum of its proper divisors (109213875965879).

545545404545545 is a wasteful number, since it uses less digits than its factorization.

545545404545545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465842799.

The product of its (nonzero) digits is 1600000000, while the sum is 64.

The spelling of 545545404545545 in words is "five hundred forty-five trillion, five hundred forty-five billion, four hundred four million, five hundred forty-five thousand, five hundred forty-five".

Divisors: 1 5 6247 31235 17465836547 87329182735 109109080909109 545545404545545