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8103207491 is a prime number
BaseRepresentation
bin1111000101111110…
…10010001001000011
3202220201121120221222
413202333102021003
5113043410114431
63420023505255
7404543061431
oct74277221103
922821546858
108103207491
11348905a7a5
1216a18b822b
139c1a3a842
1456c291d51
153265d557b
hex1e2fd2243

8103207491 has 2 divisors, whose sum is σ = 8103207492. Its totient is φ = 8103207490.

The previous prime is 8103207479. The next prime is 8103207503. The reversal of 8103207491 is 1947023018.

It is a balanced prime because it is at equal distance from previous prime (8103207479) and next prime (8103207503).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8103207491 is a prime.

It is not a weakly prime, because it can be changed into another prime (8103207461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051603745 + 4051603746.

It is an arithmetic number, because the mean of its divisors is an integer number (4051603746).

Almost surely, 28103207491 is an apocalyptic number.

8103207491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8103207491 is an equidigital number, since it uses as much as digits as its factorization.

8103207491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8103207491 is about 90017.8176307335. The cubic root of 8103207491 is about 2008.5639017038.

The spelling of 8103207491 in words is "eight billion, one hundred three million, two hundred seven thousand, four hundred ninety-one".