Search a number
-
+
1230213022022 = 2615106511011
BaseRepresentation
bin10001111001101110011…
…010010000000101000110
311100121101122211122122002
4101321232122100011012
5130123434013201042
62341052502305302
7154610553103235
oct21715632200506
94317348748562
101230213022022
114348041a7786
1217a50ba28232
138c015b4632a
1443784d84b1c
1522002392132
hex11e6e690146

1230213022022 has 4 divisors (see below), whose sum is σ = 1845319533036. Its totient is φ = 615106511010.

The previous prime is 1230213022021. The next prime is 1230213022033. The reversal of 1230213022022 is 2202203120321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1230213021985 and 1230213022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230213022021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307553255504 + ... + 307553255507.

It is an arithmetic number, because the mean of its divisors is an integer number (461329883259).

Almost surely, 21230213022022 is an apocalyptic number.

1230213022022 is a deficient number, since it is larger than the sum of its proper divisors (615106511014).

1230213022022 is an equidigital number, since it uses as much as digits as its factorization.

1230213022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615106511013.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1230213022022 its reverse (2202203120321), we get a palindrome (3432416142343).

The spelling of 1230213022022 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, twenty-two thousand, twenty-two".

Divisors: 1 2 615106511011 1230213022022