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53521063013 = 11291031628909
BaseRepresentation
bin110001110110000110…
…101001110001100101
312010010222022201001002
4301312012221301211
51334102343004023
640330502043045
73603205346405
oct616606516145
9163128281032
1053521063013
1120775276890
12a458119485
13507c3a2572
14283a212805
1515d3a62b28
hexc761a9c65

53521063013 has 16 divisors (see below), whose sum is σ = 60986390400. Its totient is φ = 46521612480.

The previous prime is 53521062983. The next prime is 53521063033. The reversal of 53521063013 is 31036012535.

53521063013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53521063013 - 230 = 52447321189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53521063033) 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, 781598 + ... + 847311.

It is an arithmetic number, because the mean of its divisors is an integer number (3811649400).

Almost surely, 253521063013 is an apocalyptic number.

It is an amenable number.

53521063013 is a deficient number, since it is larger than the sum of its proper divisors (7465327387).

53521063013 is a wasteful number, since it uses less digits than its factorization.

53521063013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629052.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 53521063013 its reverse (31036012535), we get a palindrome (84557075548).

The spelling of 53521063013 in words is "fifty-three billion, five hundred twenty-one million, sixty-three thousand, thirteen".

Divisors: 1 11 29 103 319 1133 2987 32857 1628909 17917999 47238361 167777627 519621971 1845553897 4865551183 53521063013