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52104404257 is a prime number
BaseRepresentation
bin110000100001101010…
…100001110100100001
311222111020121222120021
4300201222201310201
51323202211414012
635534134113441
73523124062063
oct604152416441
9158436558507
1052104404257
112010863a124
12a1217ab881
134bb4a40449
142744005733
15154e4cc007
hexc21aa1d21

52104404257 has 2 divisors, whose sum is σ = 52104404258. Its totient is φ = 52104404256.

The previous prime is 52104404249. The next prime is 52104404321. The reversal of 52104404257 is 75240440125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50186752576 + 1917651681 = 224024^2 + 43791^2 .

It is a cyclic number.

It is not a de Polignac number, because 52104404257 - 23 = 52104404249 is a prime.

It is not a weakly prime, because it can be changed into another prime (52104404227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26052202128 + 26052202129.

It is an arithmetic number, because the mean of its divisors is an integer number (26052202129).

Almost surely, 252104404257 is an apocalyptic number.

It is an amenable number.

52104404257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52104404257 is an equidigital number, since it uses as much as digits as its factorization.

52104404257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 34.

The spelling of 52104404257 in words is "fifty-two billion, one hundred four million, four hundred four thousand, two hundred fifty-seven".