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545434434545 = 571113108977909
BaseRepresentation
bin1111110111111100110…
…11001111101111110001
31221010212021010010110112
413323332123033233301
532414022203401140
61054322532511105
754256242124550
oct7737633175761
91833767103415
10545434434545
111a0354578660
1289860a7b495
133c585068a80
141c58345bd97
15e2c4787c65
hex7efe6cfbf1

545434434545 has 32 divisors (see below), whose sum is σ = 878797866240. Its totient is φ = 313856375040.

The previous prime is 545434434533. The next prime is 545434434553.

545434434545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545434434545 - 210 = 545434433521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 545434434493 and 545434434502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54483950 + ... + 54493959.

It is an arithmetic number, because the mean of its divisors is an integer number (27462433320).

Almost surely, 2545434434545 is an apocalyptic number.

545434434545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545434434545 is a deficient number, since it is larger than the sum of its proper divisors (333363431695).

545434434545 is a wasteful number, since it uses less digits than its factorization.

545434434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108977945.

The product of its digits is 23040000, while the sum is 50.

It can be divided in two parts, 545434 and 434545, that added together give a palindrome (979979).

The spelling of 545434434545 in words is "five hundred forty-five billion, four hundred thirty-four million, four hundred thirty-four thousand, five hundred forty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 1001 5005 108977909 544889545 762845363 1198756999 1416712817 3814226815 5993784995 7083564085 8391298993 9916989719 15583840987 41956494965 49584948595 77919204935 109086886909 545434434545