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54642844824645 = 35711172782930727
BaseRepresentation
bin11000110110010100001110…
…10110101111010001000101
321011110210201210210121211110
430123022013112233101011
524130232021233342040
6312114324254555233
714336546430322410
oct1433120726572105
9234423653717743
1054642844824645
111645799a405140
126166196208b19
132464a4b72124c
14d6ca2912ab77
1564b5bc0b0980
hex31b2875af445

54642844824645 has 64 divisors (see below), whose sum is σ = 115413703151616. Its totient is φ = 21372907975680.

The previous prime is 54642844824641. The next prime is 54642844824647.

54642844824645 is nontrivially palindromic in base 10.

54642844824645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54642844824645 - 22 = 54642844824641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642844824641) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1391445729 + ... + 1391484998.

It is an arithmetic number, because the mean of its divisors is an integer number (1803339111744).

Almost surely, 254642844824645 is an apocalyptic number.

54642844824645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54642844824645 is an abundant number, since it is smaller than the sum of its proper divisors (60770858326971).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54642844824645 is a wasteful number, since it uses less digits than its factorization.

54642844824645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782930770.

The product of its digits is 943718400, while the sum is 66.

The spelling of 54642844824645 in words is "fifty-four trillion, six hundred forty-two billion, eight hundred forty-four million, eight hundred twenty-four thousand, six hundred forty-five".

Divisors: 1 3 5 7 11 15 17 21 33 35 51 55 77 85 105 119 165 187 231 255 357 385 561 595 935 1155 1309 1785 2805 3927 6545 19635 2782930727 8348792181 13914653635 19480515089 30612237997 41743960905 47309822359 58441545267 91836713991 97402575445 141929467077 153061189985 214285665979 236549111795 292207726335 331168756513 459183569955 520408045949 642856997937 709647335385 993506269539 1071428329895 1561224137847 1655843782565 2602040229745 3214284989685 3642856321643 4967531347695 7806120689235 10928568964929 18214281608215 54642844824645