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80147629577 is a prime number
BaseRepresentation
bin100101010100100101…
…0111100011000001001
321122212121220102201002
41022221022330120021
52303120243121302
6100452545504345
75535063416351
oct1125112743011
9248777812632
1080147629577
1130a9927a3a4
12136493420b5
1377338b3ab2
143c44607b61
152141430c02
hex12a92bc609

80147629577 has 2 divisors, whose sum is σ = 80147629578. Its totient is φ = 80147629576.

The previous prime is 80147629547. The next prime is 80147629579. The reversal of 80147629577 is 77592674108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77433636361 + 2713993216 = 278269^2 + 52096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80147629577 is a prime.

Together with 80147629579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80147629579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40073814788 + 40073814789.

It is an arithmetic number, because the mean of its divisors is an integer number (40073814789).

Almost surely, 280147629577 is an apocalyptic number.

It is an amenable number.

80147629577 is a deficient number, since it is larger than the sum of its proper divisors (1).

80147629577 is an equidigital number, since it uses as much as digits as its factorization.

80147629577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 80147629577 in words is "eighty billion, one hundred forty-seven million, six hundred twenty-nine thousand, five hundred seventy-seven".