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53260739381 is a prime number
BaseRepresentation
bin110001100110100101…
…100110001100110101
312002110211110220011002
4301212211212030311
51333034222130011
640245002253045
73563564546363
oct614645461465
9162424426132
1053260739381
1120651331893
12a3a4ab7185
13503a486c05
14281380a633
1515bac8ec3b
hexc66966335

53260739381 has 2 divisors, whose sum is σ = 53260739382. Its totient is φ = 53260739380.

The previous prime is 53260739359. The next prime is 53260739417. The reversal of 53260739381 is 18393706235.

53260739381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53107202500 + 153536881 = 230450^2 + 12391^2 .

It is a cyclic number.

It is not a de Polignac number, because 53260739381 - 230 = 52186997557 is a prime.

It is a super-2 number, since 2×532607393812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53260739281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630369690 + 26630369691.

It is an arithmetic number, because the mean of its divisors is an integer number (26630369691).

Almost surely, 253260739381 is an apocalyptic number.

It is an amenable number.

53260739381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53260739381 is an equidigital number, since it uses as much as digits as its factorization.

53260739381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 53260739381 in words is "fifty-three billion, two hundred sixty million, seven hundred thirty-nine thousand, three hundred eighty-one".