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540446644045 = 57116912031487
BaseRepresentation
bin1111101110101010010…
…00010101011101001101
31220122222122201010012001
413313111020111131031
532323313320102140
61052135555112301
754021525451360
oct7672510253515
91818878633161
10540446644045
1119922504a850
12888aa5a2691
133bc6b8c3649
141c22cc580d7
15e0d1943e9a
hex7dd521574d

540446644045 has 32 divisors (see below), whose sum is σ = 809734864896. Its totient is φ = 336414081600.

The previous prime is 540446644043. The next prime is 540446644057.

540446644045 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 540446644045 - 21 = 540446644043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540446643986 and 540446644004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540446644043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749709 + ... + 1281778.

It is an arithmetic number, because the mean of its divisors is an integer number (25304214528).

Almost surely, 2540446644045 is an apocalyptic number.

540446644045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540446644045 is a deficient number, since it is larger than the sum of its proper divisors (269288220851).

540446644045 is a wasteful number, since it uses less digits than its factorization.

540446644045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032201.

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 540446644045 in words is "five hundred forty billion, four hundred forty-six million, six hundred forty-four thousand, forty-five".

Divisors: 1 5 7 11 35 55 77 385 691 3455 4837 7601 24185 38005 53207 266035 2031487 10157435 14220409 22346357 71102045 111731785 156424499 782122495 1403757517 7018787585 9826302619 15441332687 49131513095 77206663435 108089328809 540446644045