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188120765407573 is a prime number
BaseRepresentation
bin101010110001100001000111…
…011001011010000101010101
3220200002011120120222022002001
4222301201013121122011111
5144124132311421020243
61504033253033115301
754424163636314405
oct5261410731320525
9820064516868061
10188120765407573
1154a39628857709
1219123093858b31
1380c793451715b
143465144cb0805
1516b36bd416a4d
hexab184765a155

188120765407573 has 2 divisors, whose sum is σ = 188120765407574. Its totient is φ = 188120765407572.

The previous prime is 188120765407537. The next prime is 188120765407669. The reversal of 188120765407573 is 375704567021881.

It is a happy number.

Together with previous prime (188120765407537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182412522216324 + 5708243191249 = 13506018^2 + 2389193^2 .

It is a cyclic number.

It is not a de Polignac number, because 188120765407573 - 213 = 188120765399381 is a prime.

It is a super-2 number, since 2×1881207654075732 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188120765407513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94060382703786 + 94060382703787.

It is an arithmetic number, because the mean of its divisors is an integer number (94060382703787).

Almost surely, 2188120765407573 is an apocalyptic number.

It is an amenable number.

188120765407573 is a deficient number, since it is larger than the sum of its proper divisors (1).

188120765407573 is an equidigital number, since it uses as much as digits as its factorization.

188120765407573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79027200, while the sum is 64.

The spelling of 188120765407573 in words is "one hundred eighty-eight trillion, one hundred twenty billion, seven hundred sixty-five million, four hundred seven thousand, five hundred seventy-three".