Search a number
-
+
1230015499 is a prime number
BaseRepresentation
bin100100101010000…
…1000110000001011
310011201111021001121
41021110020300023
510004340443444
6322015300111
742323650006
oct11124106013
93151437047
101230015499
11581347939
122a3b1a637
13167aa352b
14b950453d
1572eb9084
hex49508c0b

1230015499 has 2 divisors, whose sum is σ = 1230015500. Its totient is φ = 1230015498.

The previous prime is 1230015497. The next prime is 1230015533. The reversal of 1230015499 is 9945100321.

It is an a-pointer prime, because the next prime (1230015533) can be obtained adding 1230015499 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230015499 - 21 = 1230015497 is a prime.

Together with 1230015497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1230015491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615007749 + 615007750.

It is an arithmetic number, because the mean of its divisors is an integer number (615007750).

Almost surely, 21230015499 is an apocalyptic number.

1230015499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230015499 is an equidigital number, since it uses as much as digits as its factorization.

1230015499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1230015499 is about 35071.5767966027. The cubic root of 1230015499 is about 1071.4457700156.

The spelling of 1230015499 in words is "one billion, two hundred thirty million, fifteen thousand, four hundred ninety-nine".