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4101352781 is a prime number
BaseRepresentation
bin1111010001110101…
…1010110101001101
3101120211102022022212
43310131122311031
531344421242111
61514550120205
7203430631511
oct36435326515
911524368285
104101352781
11181511a059
12965650065
13504919b86
142ac9b8141
151900e598b
hexf475ad4d

4101352781 has 2 divisors, whose sum is σ = 4101352782. Its totient is φ = 4101352780.

The previous prime is 4101352687. The next prime is 4101352789. The reversal of 4101352781 is 1872531014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3749602756 + 351750025 = 61234^2 + 18755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4101352781 is a prime.

It is a super-2 number, since 2×41013527812 = 33642189268432867922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4101352789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050676390 + 2050676391.

It is an arithmetic number, because the mean of its divisors is an integer number (2050676391).

Almost surely, 24101352781 is an apocalyptic number.

It is an amenable number.

4101352781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4101352781 is an equidigital number, since it uses as much as digits as its factorization.

4101352781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 4101352781 is about 64041.8049480181. The cubic root of 4101352781 is about 1600.6966733026.

Adding to 4101352781 its reverse (1872531014), we get a palindrome (5973883795).

The spelling of 4101352781 in words is "four billion, one hundred one million, three hundred fifty-two thousand, seven hundred eighty-one".