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489962148187 is a prime number
BaseRepresentation
bin1110010000101000000…
…01010001000101011011
31201211200022020000012011
413020110001101011123
531011420302220222
61013030245130351
750253501354301
oct7102401210533
91654608200164
10489962148187
1117987894a8a6
127ab5b3b99b7
13372846697a5
1419a0004a271
15cb29799c77
hex721405115b

489962148187 has 2 divisors, whose sum is σ = 489962148188. Its totient is φ = 489962148186.

The previous prime is 489962148173. The next prime is 489962148227. The reversal of 489962148187 is 781841269984.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-489962148187 is a prime.

It is not a weakly prime, because it can be changed into another prime (489962148107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244981074093 + 244981074094.

It is an arithmetic number, because the mean of its divisors is an integer number (244981074094).

Almost surely, 2489962148187 is an apocalyptic number.

489962148187 is a deficient number, since it is larger than the sum of its proper divisors (1).

489962148187 is an equidigital number, since it uses as much as digits as its factorization.

489962148187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55738368, while the sum is 67.

The spelling of 489962148187 in words is "four hundred eighty-nine billion, nine hundred sixty-two million, one hundred forty-eight thousand, one hundred eighty-seven".