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193019093 is a prime number
BaseRepresentation
bin10111000000100…
…11110011010101
3111110012101102022
423200103303111
5343403102333
631053022525
74532430611
oct1340236325
9443171368
10193019093
1199a55113
1254784a45
1330cb19a7
141b8c6341
1511e2ac98
hexb813cd5

193019093 has 2 divisors, whose sum is σ = 193019094. Its totient is φ = 193019092.

The previous prime is 193019063. The next prime is 193019117. The reversal of 193019093 is 390910391.

It is a happy number.

193019093 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 can be written as a sum of positive squares in only one way, i.e., 118766404 + 74252689 = 10898^2 + 8617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-193019093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193019023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96509546 + 96509547.

It is an arithmetic number, because the mean of its divisors is an integer number (96509547).

Almost surely, 2193019093 is an apocalyptic number.

It is an amenable number.

193019093 is a deficient number, since it is larger than the sum of its proper divisors (1).

193019093 is an equidigital number, since it uses as much as digits as its factorization.

193019093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 193019093 is about 13893.1311445620. The cubic root of 193019093 is about 577.9187126021.

The spelling of 193019093 in words is "one hundred ninety-three million, nineteen thousand, ninety-three".