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53042400431 is a prime number
BaseRepresentation
bin110001011001100100…
…101100110010101111
312001220121122010102022
4301121210230302233
51332112323303211
640211202420355
73555303651566
oct613144546257
9161817563368
1053042400431
112054a063579
12a3439616bb
13500417b577
1427d2812bdd
1515a6a11bdb
hexc5992ccaf

53042400431 has 2 divisors, whose sum is σ = 53042400432. Its totient is φ = 53042400430.

The previous prime is 53042400407. The next prime is 53042400461. The reversal of 53042400431 is 13400424035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53042400431 is a prime.

It is a super-4 number, since 4×530424004314 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 53042400431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53042400401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26521200215 + 26521200216.

It is an arithmetic number, because the mean of its divisors is an integer number (26521200216).

Almost surely, 253042400431 is an apocalyptic number.

53042400431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53042400431 is an equidigital number, since it uses as much as digits as its factorization.

53042400431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 53042400431 its reverse (13400424035), we get a palindrome (66442824466).

It can be divided in two parts, 530424004 and 31, that added together give a palindrome (530424035).

The spelling of 53042400431 in words is "fifty-three billion, forty-two million, four hundred thousand, four hundred thirty-one".