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1392391023293 is a prime number
BaseRepresentation
bin10100010000110000111…
…110001110101010111101
311221010000010100201200202
4110100300332032222331
5140303104100221133
62543353335533245
7202411514263334
oct24206076165275
94833003321622
101392391023293
11497567484496
121a5a30b2a225
13a13c03b14aa
144b56bc4ad1b
15263451532e8
hex14430f8eabd

1392391023293 has 2 divisors, whose sum is σ = 1392391023294. Its totient is φ = 1392391023292.

The previous prime is 1392391023277. The next prime is 1392391023329. The reversal of 1392391023293 is 3923201932931.

It is a happy number.

Together with next prime (1392391023329) 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., 1243978854244 + 148412169049 = 1115338^2 + 385243^2 .

It is an emirp because it is prime and its reverse (3923201932931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1392391023293 - 24 = 1392391023277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392391023203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696195511646 + 696195511647.

It is an arithmetic number, because the mean of its divisors is an integer number (696195511647).

Almost surely, 21392391023293 is an apocalyptic number.

It is an amenable number.

1392391023293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392391023293 is an equidigital number, since it uses as much as digits as its factorization.

1392391023293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 1392391023293 in words is "one trillion, three hundred ninety-two billion, three hundred ninety-one million, twenty-three thousand, two hundred ninety-three".