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54645606089 = 1719701241343
BaseRepresentation
bin110010111001001000…
…011100011011001001
312020001100100102010122
4302321020130123021
51343403233343324
641034232553025
73643111662554
oct627110343311
9166040312118
1054645606089
11211a2024728
12a710852775
1351cb367479
1429056dd69b
15164c645a5e
hexcb921c6c9

54645606089 has 16 divisors (see below), whose sum is σ = 60992455680. Its totient is φ = 48654547200.

The previous prime is 54645606049. The next prime is 54645606109. The reversal of 54645606089 is 98060654645.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54645606089 is a prime.

It is a super-2 number, since 2×546456060892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54645606089.

It is not an unprimeable number, because it can be changed into a prime (54645606049) 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 15 ways as a sum of consecutive naturals, for example, 105752 + ... + 347094.

It is an arithmetic number, because the mean of its divisors is an integer number (3812028480).

Almost surely, 254645606089 is an apocalyptic number.

It is an amenable number.

54645606089 is a deficient number, since it is larger than the sum of its proper divisors (6346849591).

54645606089 is a wasteful number, since it uses less digits than its factorization.

54645606089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242080.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 54645606089 in words is "fifty-four billion, six hundred forty-five million, six hundred six thousand, eighty-nine".

Divisors: 1 17 19 323 701 11917 13319 226423 241343 4102831 4585517 77953789 169181443 2876084531 3214447417 54645606089