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386630421929 is a prime number
BaseRepresentation
bin1011010000001001111…
…10000000110110101001
31100221221221100102201122
411220010332000312221
522313304342000204
6453340543425025
736635030235203
oct5500476006651
91327857312648
10386630421929
11139a72880524
1262b218b5175
132a5c781a0bb
14149da711773
15a0ccce20be
hex5a04f80da9

386630421929 has 2 divisors, whose sum is σ = 386630421930. Its totient is φ = 386630421928.

The previous prime is 386630421917. The next prime is 386630422033. The reversal of 386630421929 is 929124036683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382839187600 + 3791234329 = 618740^2 + 61573^2 .

It is a cyclic number.

It is not a de Polignac number, because 386630421929 - 216 = 386630356393 is a prime.

It is not a weakly prime, because it can be changed into another prime (386630021929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193315210964 + 193315210965.

It is an arithmetic number, because the mean of its divisors is an integer number (193315210965).

Almost surely, 2386630421929 is an apocalyptic number.

It is an amenable number.

386630421929 is a deficient number, since it is larger than the sum of its proper divisors (1).

386630421929 is an equidigital number, since it uses as much as digits as its factorization.

386630421929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 386630421929 in words is "three hundred eighty-six billion, six hundred thirty million, four hundred twenty-one thousand, nine hundred twenty-nine".