Search a number
-
+
1230223020011 = 2235516695157
BaseRepresentation
bin10001111001101111000…
…000011000111111101011
311100121102100122121021222
4101321233000120333223
5130123444043120021
62341053500452255
7154611034064006
oct21715700307753
94317370577258
101230223020011
11434809906387
1217a51324a08b
138c017c36cbb
144378642853d
15220031b96ab
hex11e6f018feb

1230223020011 has 4 divisors (see below), whose sum is σ = 1235739715392. Its totient is φ = 1224706324632.

The previous prime is 1230223019953. The next prime is 1230223020023. The reversal of 1230223020011 is 1100203220321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230223020011 - 214 = 1230223003627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230223022011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758347356 + ... + 2758347801.

It is an arithmetic number, because the mean of its divisors is an integer number (308934928848).

Almost surely, 21230223020011 is an apocalyptic number.

1230223020011 is a deficient number, since it is larger than the sum of its proper divisors (5516695381).

1230223020011 is an equidigital number, since it uses as much as digits as its factorization.

1230223020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516695380.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1230223020011 its reverse (1100203220321), we get a palindrome (2330426240332).

The spelling of 1230223020011 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, twenty thousand, eleven".

Divisors: 1 223 5516695157 1230223020011