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1042664620087 is a prime number
BaseRepresentation
bin11110010110000111010…
…01111000000000110111
310200200022002102200120101
433023003221320000313
5114040334120320322
62114554333214531
7135221126016346
oct17130351700067
93620262380511
101042664620087
11372211aa54a2
1214a0aa331447
13774273c7b7c
1438672877b5d
151c1c7145327
hexf2c3a78037

1042664620087 has 2 divisors, whose sum is σ = 1042664620088. Its totient is φ = 1042664620086.

The previous prime is 1042664620033. The next prime is 1042664620091. The reversal of 1042664620087 is 7800264662401.

It is a happy number.

1042664620087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042664620087 - 223 = 1042656231479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042664720087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521332310043 + 521332310044.

It is an arithmetic number, because the mean of its divisors is an integer number (521332310044).

Almost surely, 21042664620087 is an apocalyptic number.

1042664620087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042664620087 is an equidigital number, since it uses as much as digits as its factorization.

1042664620087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 1042664620087 in words is "one trillion, forty-two billion, six hundred sixty-four million, six hundred twenty thousand, eighty-seven".