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192947837940553 is a prime number
BaseRepresentation
bin101011110111110000101011…
…010101110011001101001001
3221022011122002120112220120111
4223313300223111303031021
5200242224133003044203
61522211002453554321
755433010203002243
oct5367605325631511
9838148076486514
10192947837940553
115652a79a417773
12197827006459a1
138387b97cb7527
143590a21c99093
1517490392c526d
hexaf7c2b573349

192947837940553 has 2 divisors, whose sum is σ = 192947837940554. Its totient is φ = 192947837940552.

The previous prime is 192947837940551. The next prime is 192947837940593. The reversal of 192947837940553 is 355049738749291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164918299570704 + 28029538369849 = 12842052^2 + 5294293^2 .

It is an emirp because it is prime and its reverse (355049738749291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192947837940553 - 21 = 192947837940551 is a prime.

Together with 192947837940551, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 192947837940553.

It is not a weakly prime, because it can be changed into another prime (192947837940551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96473918970276 + 96473918970277.

It is an arithmetic number, because the mean of its divisors is an integer number (96473918970277).

Almost surely, 2192947837940553 is an apocalyptic number.

It is an amenable number.

192947837940553 is a deficient number, since it is larger than the sum of its proper divisors (1).

192947837940553 is an equidigital number, since it uses as much as digits as its factorization.

192947837940553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2057529600, while the sum is 76.

The spelling of 192947837940553 in words is "one hundred ninety-two trillion, nine hundred forty-seven billion, eight hundred thirty-seven million, nine hundred forty thousand, five hundred fifty-three".