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127420313 is a prime number
BaseRepresentation
bin1111001100001…
…00011110011001
322212202121210212
413212010132121
5230104422223
620351020505
73105024536
oct746043631
9285677725
10127420313
1165a1a849
123680a735
1320524547
1412ccbd8d
15b2be278
hex7984799

127420313 has 2 divisors, whose sum is σ = 127420314. Its totient is φ = 127420312.

The previous prime is 127420303. The next prime is 127420331. The reversal of 127420313 is 313024721.

Together with next prime (127420331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127418944 + 1369 = 11288^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 127420313 - 28 = 127420057 is a prime.

It is not a weakly prime, because it can be changed into another prime (127420303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63710156 + 63710157.

It is an arithmetic number, because the mean of its divisors is an integer number (63710157).

Almost surely, 2127420313 is an apocalyptic number.

It is an amenable number.

127420313 is a deficient number, since it is larger than the sum of its proper divisors (1).

127420313 is an equidigital number, since it uses as much as digits as its factorization.

127420313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 127420313 is about 11288.0606394544. The cubic root of 127420313 is about 503.2064770533.

The spelling of 127420313 in words is "one hundred twenty-seven million, four hundred twenty thousand, three hundred thirteen".