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8192924381 is a prime number
BaseRepresentation
bin1111010000101011…
…00001101011011101
3210010222102200101202
413220111201223131
5113234342040011
63432550445245
7410012464625
oct75025415335
923128380352
108192924381
113524768394
121707963825
13a074c0965
1457a167885
1532e40823b
hex1e8561add

8192924381 has 2 divisors, whose sum is σ = 8192924382. Its totient is φ = 8192924380.

The previous prime is 8192924347. The next prime is 8192924413. The reversal of 8192924381 is 1834292918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5286744100 + 2906180281 = 72710^2 + 53909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8192924381 is a prime.

It is a super-2 number, since 2×81929243812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8192924081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4096462190 + 4096462191.

It is an arithmetic number, because the mean of its divisors is an integer number (4096462191).

Almost surely, 28192924381 is an apocalyptic number.

It is an amenable number.

8192924381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8192924381 is an equidigital number, since it uses as much as digits as its factorization.

8192924381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 8192924381 is about 90514.7743796558. The cubic root of 8192924381 is about 2015.9495003576.

The spelling of 8192924381 in words is "eight billion, one hundred ninety-two million, nine hundred twenty-four thousand, three hundred eighty-one".