Search a number
-
+
2218472573040 = 243253081211907
BaseRepresentation
bin100000010010000111010…
…001010000100001110000
321212002021011112110211100
4200102013101100201300
5242321412434314130
64415052514244400
7316164550510113
oct40220721204160
97762234473740
102218472573040
11785937a28579
122b9b55b86700
1313127c985129
147953605457a
153ca93056c60
hex20487450870

2218472573040 has 60 divisors (see below), whose sum is σ = 7450370393544. Its totient is φ = 591592685952.

The previous prime is 2218472573039. The next prime is 2218472573089. The reversal of 2218472573040 is 403752748122.

2218472573040 is a `hidden beast` number, since 2 + 2 + 1 + 8 + 4 + 72 + 573 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540605234 + ... + 1540606673.

Almost surely, 22218472573040 is an apocalyptic number.

2218472573040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218472573040 is an abundant number, since it is smaller than the sum of its proper divisors (5231897820504).

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

2218472573040 is a wasteful number, since it uses less digits than its factorization.

2218472573040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081211926 (or 3081211917 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 2218472573040 in words is "two trillion, two hundred eighteen billion, four hundred seventy-two million, five hundred seventy-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 3081211907 6162423814 9243635721 12324847628 15406059535 18487271442 24649695256 27730907163 30812119070 36974542884 46218178605 49299390512 55461814326 61624238140 73949085768 92436357210 110923628652 123248476280 138654535815 147898171536 184872714420 221847257304 246496952560 277309071630 369745428840 443694514608 554618143260 739490857680 1109236286520 2218472573040