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540866668045 = 511711994571523
BaseRepresentation
bin1111101111011100010…
…10100110011000001101
31220201001221001112210111
413313232022212120031
532330143331334140
61052245401440021
754035115552214
oct7675612463015
91821057045714
10540866668045
11199420152020
12889a71a0011
133c007926262
141c26c95207b
15e1087607ea
hex7dee2a660d

540866668045 has 64 divisors (see below), whose sum is σ = 723678105600. Its totient is φ = 384771340800.

The previous prime is 540866668037. The next prime is 540866668061.

540866668045 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 540866668045 - 23 = 540866668037 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, 355131654 + ... + 355133176.

It is an arithmetic number, because the mean of its divisors is an integer number (11307470400).

Almost surely, 2540866668045 is an apocalyptic number.

540866668045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540866668045 is a deficient number, since it is larger than the sum of its proper divisors (182811437555).

540866668045 is a wasteful number, since it uses less digits than its factorization.

540866668045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 33177600, while the sum is 58.

The spelling of 540866668045 in words is "five hundred forty billion, eight hundred sixty-six million, six hundred sixty-eight thousand, forty-five".

Divisors: 1 5 11 55 71 199 355 457 781 995 1523 2189 2285 3905 5027 7615 10945 14129 16753 25135 32447 70645 83765 90943 108133 155419 162235 303077 356917 454715 540665 696011 777095 1000373 1189463 1515385 1784585 3333847 3480055 5001865 5947315 6456953 7656121 16669235 21518467 32284765 38280605 49416781 71026483 107592335 138506189 236703137 247083905 355132415 543584591 692530945 1183515685 1523568079 2717922955 7617840395 9833939419 49169697095 108173333609 540866668045