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74989298801 is a prime number
BaseRepresentation
bin100010111010110110…
…1011110010001110001
321011120010121002011002
41011311231132101301
52212034230030201
654241040531345
75263206344204
oct1056555362161
9234503532132
1074989298801
112989156010a
1212649920b55
1370c0cca471
1438b54cd93b
151e3d65176b
hex1175b5e471

74989298801 has 2 divisors, whose sum is σ = 74989298802. Its totient is φ = 74989298800.

The previous prime is 74989298773. The next prime is 74989298803. The reversal of 74989298801 is 10889298947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47078584576 + 27910714225 = 216976^2 + 167065^2 .

It is a cyclic number.

It is not a de Polignac number, because 74989298801 - 222 = 74985104497 is a prime.

Together with 74989298803, 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 (74989298803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37494649400 + 37494649401.

It is an arithmetic number, because the mean of its divisors is an integer number (37494649401).

Almost surely, 274989298801 is an apocalyptic number.

It is an amenable number.

74989298801 is a deficient number, since it is larger than the sum of its proper divisors (1).

74989298801 is an equidigital number, since it uses as much as digits as its factorization.

74989298801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 65.

The spelling of 74989298801 in words is "seventy-four billion, nine hundred eighty-nine million, two hundred ninety-eight thousand, eight hundred one".