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387191040601 is a prime number
BaseRepresentation
bin1011010001001100110…
…00100110101001011001
31101000102000020210222011
411220212120212221121
522320431401244401
6453512331425521
736654645354031
oct5504630465131
91330360223864
10387191040601
1113a230280642
12630595b52a1
132a686a07921
1414a50d668c1
15a112131451
hex5a26626a59

387191040601 has 2 divisors, whose sum is σ = 387191040602. Its totient is φ = 387191040600.

The previous prime is 387191040589. The next prime is 387191040617. The reversal of 387191040601 is 106040191783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382270158400 + 4920882201 = 618280^2 + 70149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-387191040601 is a prime.

It is not a weakly prime, because it can be changed into another prime (387191040001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193595520300 + 193595520301.

It is an arithmetic number, because the mean of its divisors is an integer number (193595520301).

Almost surely, 2387191040601 is an apocalyptic number.

It is an amenable number.

387191040601 is a deficient number, since it is larger than the sum of its proper divisors (1).

387191040601 is an equidigital number, since it uses as much as digits as its factorization.

387191040601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 387191040601 in words is "three hundred eighty-seven billion, one hundred ninety-one million, forty thousand, six hundred one".