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80150568973 is a prime number
BaseRepresentation
bin100101010100101011…
…0001010000000001101
321122212211102202210121
41022221112022000031
52303122021201343
6100453132504541
75535130411126
oct1125126120015
9248784382717
1080150568973
1130a9a9a7852
121364a31b151
1377343a2997
143c44b7104d
152141811aed
hex12a958a00d

80150568973 has 2 divisors, whose sum is σ = 80150568974. Its totient is φ = 80150568972.

The previous prime is 80150568959. The next prime is 80150569013. The reversal of 80150568973 is 37986505108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79570818889 + 579750084 = 282083^2 + 24078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80150568973 is a prime.

It is a super-2 number, since 2×801505689732 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80150568973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80150568923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40075284486 + 40075284487.

It is an arithmetic number, because the mean of its divisors is an integer number (40075284487).

Almost surely, 280150568973 is an apocalyptic number.

It is an amenable number.

80150568973 is a deficient number, since it is larger than the sum of its proper divisors (1).

80150568973 is an equidigital number, since it uses as much as digits as its factorization.

80150568973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 80150568973 in words is "eighty billion, one hundred fifty million, five hundred sixty-eight thousand, nine hundred seventy-three".