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1896915332131 is a prime number
BaseRepresentation
bin11011100110101000111…
…101101110110000100011
320201100021021212010220021
4123212220331232300203
5222034340311112011
64011233022454311
7254022221166541
oct33465075566043
96640237763807
101896915332131
116715282860a6
12267775134397
13109b55967491
1467b4dca6d91
1534523077471
hex1b9a8f6ec23

1896915332131 has 2 divisors, whose sum is σ = 1896915332132. Its totient is φ = 1896915332130.

The previous prime is 1896915332069. The next prime is 1896915332171. The reversal of 1896915332131 is 1312335196981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1896915332131 - 213 = 1896915323939 is a prime.

It is a super-2 number, since 2×18969153321312 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1896915332171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948457666065 + 948457666066.

It is an arithmetic number, because the mean of its divisors is an integer number (948457666066).

Almost surely, 21896915332131 is an apocalyptic number.

1896915332131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896915332131 is an equidigital number, since it uses as much as digits as its factorization.

1896915332131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 52.

The spelling of 1896915332131 in words is "one trillion, eight hundred ninety-six billion, nine hundred fifteen million, three hundred thirty-two thousand, one hundred thirty-one".