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8007144371509 is a prime number
BaseRepresentation
bin111010010000100111011…
…1111101111010100110101
31001100110211122210002010111
41310201032333233110311
52022142112424342014
625010233100423021
71454332334113543
oct164411677572465
931313748702114
108007144371509
1126078a12852a8
12a93a08547a71
134610bbaa811a
141d979545ad93
15dd43e29b2c4
hex7484efef535

8007144371509 has 2 divisors, whose sum is σ = 8007144371510. Its totient is φ = 8007144371508.

The previous prime is 8007144371461. The next prime is 8007144371587. The reversal of 8007144371509 is 9051734417008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7506230062500 + 500914309009 = 2739750^2 + 707753^2 .

It is a cyclic number.

It is not a de Polignac number, because 8007144371509 - 215 = 8007144338741 is a prime.

It is a super-2 number, since 2×80071443715092 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8007144372509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4003572185754 + 4003572185755.

It is an arithmetic number, because the mean of its divisors is an integer number (4003572185755).

Almost surely, 28007144371509 is an apocalyptic number.

It is an amenable number.

8007144371509 is a deficient number, since it is larger than the sum of its proper divisors (1).

8007144371509 is an equidigital number, since it uses as much as digits as its factorization.

8007144371509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 8007144371509 in words is "eight trillion, seven billion, one hundred forty-four million, three hundred seventy-one thousand, five hundred nine".