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387136146973 is a prime number
BaseRepresentation
bin1011010001000110001…
…11001100111000011101
31101000021011221221001211
411220203013030320131
522320323323200343
6453503051104421
736653410645222
oct5504307147035
91330234857054
10387136146973
1113a202298204
1263043142111
132a678527ca4
1414a47957949
15a10c3db79d
hex5a231cce1d

387136146973 has 2 divisors, whose sum is σ = 387136146974. Its totient is φ = 387136146972.

The previous prime is 387136146937. The next prime is 387136147117. The reversal of 387136146973 is 379641631783.

Together with previous prime (387136146937) 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., 358318368409 + 28817778564 = 598597^2 + 169758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-387136146973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387136146923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193568073486 + 193568073487.

It is an arithmetic number, because the mean of its divisors is an integer number (193568073487).

Almost surely, 2387136146973 is an apocalyptic number.

It is an amenable number.

387136146973 is a deficient number, since it is larger than the sum of its proper divisors (1).

387136146973 is an equidigital number, since it uses as much as digits as its factorization.

387136146973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 58.

The spelling of 387136146973 in words is "three hundred eighty-seven billion, one hundred thirty-six million, one hundred forty-six thousand, nine hundred seventy-three".