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54383420412 = 2231225583
BaseRepresentation
bin110010101001100000…
…010010001111111100
312012101002000000000000
4302221200102033330
51342334123423122
640552225234300
73633446306046
oct625140221774
9165332000000
1054383420412
1121078028752
12a658a92990
135188c49409
1428bc970a96
1516346060ac
hexca98123fc

54383420412 has 78 divisors (see below), whose sum is σ = 142761969168. Its totient is φ = 18127098216.

The previous prime is 54383420321. The next prime is 54383420423. The reversal of 54383420412 is 21402438345.

54383420412 is a `hidden beast` number, since 5 + 438 + 3 + 4 + 204 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 25 ways as a sum of consecutive naturals, for example, 2112973 + ... + 2138555.

It is an arithmetic number, because the mean of its divisors is an integer number (1830281656).

Almost surely, 254383420412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54383420412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71380984584).

54383420412 is an abundant number, since it is smaller than the sum of its proper divisors (88378548756).

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

54383420412 is an frugal number, since it uses more digits than its factorization.

54383420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25623 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 54383420412 its reverse (21402438345), we get a palindrome (75785858757).

The spelling of 54383420412 in words is "fifty-four billion, three hundred eighty-three million, four hundred twenty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2187 2916 4374 6561 8748 13122 19683 25583 26244 39366 51166 59049 76749 78732 102332 118098 153498 177147 230247 236196 306996 354294 460494 531441 690741 708588 920988 1062882 1381482 2072223 2125764 2762964 4144446 6216669 8288892 12433338 18650007 24866676 37300014 55950021 74600028 111900042 167850063 223800084 335700126 503550189 671400252 1007100378 1510650567 2014200756 3021301134 4531951701 6042602268 9063903402 13595855103 18127806804 27191710206 54383420412