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381001130291 is a prime number
BaseRepresentation
bin1011000101101010110…
…11111110000100110011
31100102102121211210022202
411202311123332010303
522220242242132131
6451010212253415
736345364113215
oct5426533760463
91312377753282
10381001130291
11137644229391
1261a1061126b
1329c0b4a81c2
1414624c405b5
159d9d9d3bcb
hex58b56fe133

381001130291 has 2 divisors, whose sum is σ = 381001130292. Its totient is φ = 381001130290.

The previous prime is 381001130239. The next prime is 381001130297. The reversal of 381001130291 is 192031100183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381001130291 - 226 = 380934021427 is a prime.

It is a super-2 number, since 2×3810011302912 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381001130297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190500565145 + 190500565146.

It is an arithmetic number, because the mean of its divisors is an integer number (190500565146).

Almost surely, 2381001130291 is an apocalyptic number.

381001130291 is a deficient number, since it is larger than the sum of its proper divisors (1).

381001130291 is an equidigital number, since it uses as much as digits as its factorization.

381001130291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 381001130291 in words is "three hundred eighty-one billion, one million, one hundred thirty thousand, two hundred ninety-one".