Search a number
-
+
1230123221003 = 7731618998299
BaseRepresentation
bin10001111001101001000…
…011101100000000001011
311100121011101212021210102
4101321221003230000023
5130123243021033003
62341035533440015
7154605412566545
oct21715103540013
94317141767712
101230123221003
11434768541966
1217a4a594000b
138c000363b31
144377708a695
1521ee9554588
hex11e690ec00b

1230123221003 has 8 divisors (see below), whose sum is σ = 1231803198000. Its totient is φ = 1228443474528.

The previous prime is 1230123220957. The next prime is 1230123221039. The reversal of 1230123221003 is 3001223210321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230123221003 - 218 = 1230122958859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230123211003) 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 in 7 ways as a sum of consecutive naturals, for example, 12464948 + ... + 12563246.

It is an arithmetic number, because the mean of its divisors is an integer number (153975399750).

Almost surely, 21230123221003 is an apocalyptic number.

1230123221003 is a deficient number, since it is larger than the sum of its proper divisors (1679976997).

1230123221003 is an equidigital number, since it uses as much as digits as its factorization.

1230123221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115261.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1230123221003 its reverse (3001223210321), we get a palindrome (4231346431324).

The spelling of 1230123221003 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, two hundred twenty-one thousand, three".

Divisors: 1 773 16189 98299 12514097 75985127 1591362511 1230123221003