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52530028029 = 325836669781
BaseRepresentation
bin110000111011000010…
…001001110111111101
312000120220111220121200
4300323002021313331
51330040141344104
640044300450113
73536512604523
oct607302116775
9160526456550
1052530028029
1120306916606
12a220249939
134c51c83b2b
14278475a313
151576a52b39
hexc3b089dfd

52530028029 has 6 divisors (see below), whose sum is σ = 75876707166. Its totient is φ = 35020018680.

The previous prime is 52530028007. The next prime is 52530028039. The reversal of 52530028029 is 92082003525.

52530028029 is a `hidden beast` number, since 52 + 5 + 300 + 280 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49596180804 + 2933847225 = 222702^2 + 54165^2 .

It is not a de Polignac number, because 52530028029 - 25 = 52530027997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52530027984 and 52530028002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530028039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2918334882 + ... + 2918334899.

It is an arithmetic number, because the mean of its divisors is an integer number (12646117861).

Almost surely, 252530028029 is an apocalyptic number.

It is an amenable number.

52530028029 is a deficient number, since it is larger than the sum of its proper divisors (23346679137).

52530028029 is a wasteful number, since it uses less digits than its factorization.

52530028029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836669787 (or 5836669784 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 52530028029 in words is "fifty-two billion, five hundred thirty million, twenty-eight thousand, twenty-nine".

Divisors: 1 3 9 5836669781 17510009343 52530028029