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53013444543 = 337127654379
BaseRepresentation
bin110001010111110110…
…001111011110111111
312001211121011000102000
4301113312033132333
51332032420211133
640204250033343
73554502562233
oct612766173677
9161747130360
1053013444543
1120534786594
12a336118853
134ccb1808c7
1427cca365c3
1515a41e2413
hexc57d8f7bf

53013444543 has 16 divisors (see below), whose sum is σ = 79644614400. Its totient is φ = 34844516280.

The previous prime is 53013444541. The next prime is 53013444587. The reversal of 53013444543 is 34544431035.

53013444543 is a `hidden beast` number, since 5 + 301 + 344 + 4 + 5 + 4 + 3 = 666.

It is not a de Polignac number, because 53013444543 - 21 = 53013444541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53013444498 and 53013444507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53013444541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13825273 + ... + 13829106.

It is an arithmetic number, because the mean of its divisors is an integer number (4977788400).

Almost surely, 253013444543 is an apocalyptic number.

53013444543 is a deficient number, since it is larger than the sum of its proper divisors (26631169857).

53013444543 is a wasteful number, since it uses less digits than its factorization.

53013444543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27654459 (or 27654453 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 53013444543 its reverse (34544431035), we get a palindrome (87557875578).

The spelling of 53013444543 in words is "fifty-three billion, thirteen million, four hundred forty-four thousand, five hundred forty-three".

Divisors: 1 3 9 27 71 213 639 1917 27654379 82963137 248889411 746668233 1963460909 5890382727 17671148181 53013444543