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53023444443 = 3227132171579
BaseRepresentation
bin110001011000011100…
…011000110111011011
312001212021222001200200
4301120130120313123
51332043000210233
640205244233243
73554653561404
oct613034306733
9161767861620
1053023444443
112053a396672
12a33953b823
1350002723c8
1427d00ba9ab
1515a501a313
hexc58718ddb

53023444443 has 12 divisors (see below), whose sum is σ = 76617685560. Its totient is φ = 35335917216.

The previous prime is 53023444433. The next prime is 53023444447. The reversal of 53023444443 is 34444432035.

53023444443 is a `hidden beast` number, since 5 + 302 + 344 + 4 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 53023444443 - 26 = 53023444379 is a prime.

It is a super-2 number, since 2×530234444432 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53023444398 and 53023444407.

It is not an unprimeable number, because it can be changed into a prime (53023444447) 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 in 11 ways as a sum of consecutive naturals, for example, 1061373 + ... + 1110206.

It is an arithmetic number, because the mean of its divisors is an integer number (6384807130).

Almost surely, 253023444443 is an apocalyptic number.

53023444443 is a deficient number, since it is larger than the sum of its proper divisors (23594241117).

53023444443 is a wasteful number, since it uses less digits than its factorization.

53023444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174298 (or 2174295 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 53023444443 its reverse (34444432035), we get a palindrome (87467876478).

The spelling of 53023444443 in words is "fifty-three billion, twenty-three million, four hundred forty-four thousand, four hundred forty-three".

Divisors: 1 3 9 2713 8139 24417 2171579 6514737 19544211 5891493827 17674481481 53023444443