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540445310425525 = 5221617812417021
BaseRepresentation
bin111101011100010000011101…
…0101111111001100110110101
32121212120001210220122010120011
41322320200322233321212311
51031314123443432104100
65153233051553540221
7221556612415261411
oct17270407257714665
92555501726563504
10540445310425525
1114722562939a5aa
1250745b08b74671
131a273a0a8b8b5b
14976599a691d41
154273351d1ebba
hex1eb883abf99b5

540445310425525 has 6 divisors (see below), whose sum is σ = 670152184927682. Its totient is φ = 432356248340400.

The previous prime is 540445310425519. The next prime is 540445310425561. The reversal of 540445310425525 is 525524013544045.

It can be written as a sum of positive squares in 3 ways, for example, as 375319192689 + 540069991232836 = 612633^2 + 23239406^2 .

It is not a de Polignac number, because 540445310425525 - 223 = 540445302036917 is a prime.

It is a super-2 number, since 2×5404453104255252 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10808906208486 + ... + 10808906208535.

Almost surely, 2540445310425525 is an apocalyptic number.

It is an amenable number.

540445310425525 is a deficient number, since it is larger than the sum of its proper divisors (129706874502157).

540445310425525 is a wasteful number, since it uses less digits than its factorization.

540445310425525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21617812417031 (or 21617812417026 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 49.

The spelling of 540445310425525 in words is "five hundred forty trillion, four hundred forty-five billion, three hundred ten million, four hundred twenty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 21617812417021 108089062085105 540445310425525