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52544520045 = 3351920485193
BaseRepresentation
bin110000111011111001…
…011011111101101101
312000121220210011221000
4300323321123331231
51330102344120140
640045535230513
73540050023353
oct607371337555
9160556704830
1052544520045
1120314014686
12a225078439
134c54c891a4
14278664d7d3
151577e66a30
hexc3be5bf6d

52544520045 has 32 divisors (see below), whose sum is σ = 98328931200. Its totient is φ = 26548808832.

The previous prime is 52544520037. The next prime is 52544520047. The reversal of 52544520045 is 54002544525.

52544520045 is a `hidden beast` number, since 5 + 2 + 5 + 445 + 200 + 4 + 5 = 666.

It is not a de Polignac number, because 52544520045 - 23 = 52544520037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52544519991 and 52544520009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544520047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10240032 + ... + 10245161.

It is an arithmetic number, because the mean of its divisors is an integer number (3072779100).

Almost surely, 252544520045 is an apocalyptic number.

It is an amenable number.

52544520045 is a deficient number, since it is larger than the sum of its proper divisors (45784411155).

52544520045 is a wasteful number, since it uses less digits than its factorization.

52544520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20485226 (or 20485220 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

It can be divided in two parts, 525445 and 20045, that added together give a triangular number (545490 = T1044).

The spelling of 52544520045 in words is "fifty-two billion, five hundred forty-four million, five hundred twenty thousand, forty-five".

Divisors: 1 3 5 9 15 19 27 45 57 95 135 171 285 513 855 2565 20485193 61455579 102425965 184366737 307277895 389218667 553100211 921833685 1167656001 1946093335 2765501055 3502968003 5838280005 10508904009 17514840015 52544520045