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54421621057641 = 319954765281713
BaseRepresentation
bin11000101111111000001010…
…11001000010100001101001
321010200122201100020212100110
430113330011121002201221
524113120434442321031
6311424540401524533
714314555334324565
oct1427740531024151
9233618640225313
1054421621057641
1116382097355732
12612b336943749
132449c24331076
14d620404086a5
1564597073cc46
hex317f05642869

54421621057641 has 8 divisors (see below), whose sum is σ = 76381222537120. Its totient is φ = 34371550141632.

The previous prime is 54421621057597. The next prime is 54421621057709. The reversal of 54421621057641 is 14675012612445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54421621057641 - 29 = 54421621057129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54421621053641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477382640800 + ... + 477382640913.

It is an arithmetic number, because the mean of its divisors is an integer number (9547652817140).

Almost surely, 254421621057641 is an apocalyptic number.

It is an amenable number.

54421621057641 is a deficient number, since it is larger than the sum of its proper divisors (21959601479479).

54421621057641 is a wasteful number, since it uses less digits than its factorization.

54421621057641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954765281735.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 54421621057641 in words is "fifty-four trillion, four hundred twenty-one billion, six hundred twenty-one million, fifty-seven thousand, six hundred forty-one".

Divisors: 1 3 19 57 954765281713 2864295845139 18140540352547 54421621057641