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542046331513 = 4491361887017
BaseRepresentation
bin1111110001101000111…
…10101010001001111001
31220211010010210122212001
413320310132222021321
532340102330102023
61053002422021001
754106261540261
oct7706436521171
91824103718761
10542046331513
11199976028705
1289076277761
133c16514a08b
141c3414aa7a1
15e1770d06ad
hex7e347aa279

542046331513 has 8 divisors (see below), whose sum is σ = 543653332200. Its totient is φ = 540441108480.

The previous prime is 542046331481. The next prime is 542046331579. The reversal of 542046331513 is 315133640245.

It can be written as a sum of positive squares in 4 ways, for example, as 92754966249 + 449291365264 = 304557^2 + 670292^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542046331513 - 25 = 542046331481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542046331613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167581 + ... + 1054597.

It is an arithmetic number, because the mean of its divisors is an integer number (67956666525).

Almost surely, 2542046331513 is an apocalyptic number.

It is an amenable number.

542046331513 is a deficient number, since it is larger than the sum of its proper divisors (1607000687).

542046331513 is a wasteful number, since it uses less digits than its factorization.

542046331513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888827.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 542046331513 its reverse (315133640245), we get a palindrome (857179971758).

The spelling of 542046331513 in words is "five hundred forty-two billion, forty-six million, three hundred thirty-one thousand, five hundred thirteen".

Divisors: 1 449 1361 611089 887017 398270633 1207230137 542046331513