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542422642613 = 994154564193
BaseRepresentation
bin1111110010010101110…
…10001010111110110101
31220212002100220020122012
413321022322022332311
532341340144030423
61053104023414005
754121511250215
oct7711272127665
91825070806565
10542422642613
1119a049493815
12891602b4305
133c1c50b6177
141c379466245
15e19a165078
hex7e4ae8afb5

542422642613 has 4 divisors (see below), whose sum is σ = 542477216748. Its totient is φ = 542368068480.

The previous prime is 542422642547. The next prime is 542422642627. The reversal of 542422642613 is 316246224245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181068972484 + 361353670129 = 425522^2 + 601127^2 .

It is a cyclic number.

It is not a de Polignac number, because 542422642613 - 28 = 542422642357 is a prime.

It is a super-3 number, since 3×5424226426133 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542422641613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27272156 + ... + 27292037.

It is an arithmetic number, because the mean of its divisors is an integer number (135619304187).

Almost surely, 2542422642613 is an apocalyptic number.

It is an amenable number.

542422642613 is a deficient number, since it is larger than the sum of its proper divisors (54574135).

542422642613 is an equidigital number, since it uses as much as digits as its factorization.

542422642613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54574134.

The product of its digits is 552960, while the sum is 41.

Adding to 542422642613 its reverse (316246224245), we get a palindrome (858668866858).

The spelling of 542422642613 in words is "five hundred forty-two billion, four hundred twenty-two million, six hundred forty-two thousand, six hundred thirteen".

Divisors: 1 9941 54564193 542422642613