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540431454042215 = 51797967178937889
BaseRepresentation
bin111101011100001010000000…
…0110101111111100001100111
32121212111202001020101221001022
41322320110000311333201213
51031313412104213322330
65153222441011321355
7221555612143045421
oct17270240065774147
92555452036357038
10540431454042215
1114721a76887374a
12507432a05b025b
131a27260cc82588
1497650442c1811
154272ce0609ae5
hex1eb8500d7f867

540431454042215 has 64 divisors (see below), whose sum is σ = 694868820307200. Its totient is φ = 402066165989376.

The previous prime is 540431454042133. The next prime is 540431454042247. The reversal of 540431454042215 is 512240454134045.

It is a cyclic number.

It is not a de Polignac number, because 540431454042215 - 214 = 540431454025831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14263525991 + ... + 14263563879.

It is an arithmetic number, because the mean of its divisors is an integer number (10857325317300).

Almost surely, 2540431454042215 is an apocalyptic number.

540431454042215 is a deficient number, since it is larger than the sum of its proper divisors (154437366264985).

540431454042215 is a wasteful number, since it uses less digits than its factorization.

540431454042215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40764.

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 540431454042215 in words is "five hundred forty trillion, four hundred thirty-one billion, four hundred fifty-four million, forty-two thousand, two hundred fifteen".

Divisors: 1 5 17 85 97 485 967 1649 1789 4835 8245 8945 16439 30413 37889 82195 93799 152065 173533 189445 468995 644113 867665 1594583 1729963 2950061 3220565 3675233 7972915 8649815 14750305 18376165 29409371 36638663 62478961 67783421 147046855 167806411 183193315 312394805 338917105 622857271 839032055 1152318157 2852708987 3114286355 3553950311 5761590785 6574991837 14263544935 17769751555 32874959185 60417155287 65546568107 111774861229 302085776435 327732840535 558874306145 1114291657819 5571458289095 6358017106379 31790085531895 108086290808443 540431454042215