Search a number
-
+
1230123022 = 22812188831
BaseRepresentation
bin100100101010010…
…0011000000001110
310011201200201112221
41021110203000032
510004402414042
6322021445554
742324605332
oct11124430016
93151621487
101230123022
115814106a7
122a3b708ba
13167b1045b
14b95317c2
1572edad67
hex4952300e

1230123022 has 8 divisors (see below), whose sum is σ = 1851751872. Its totient is φ = 612872400.

The previous prime is 1230123019. The next prime is 1230123029. The reversal of 1230123022 is 2203210321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1230122987 and 1230123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230123029) 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 in 3 ways as a sum of consecutive naturals, for example, 1093854 + ... + 1094977.

It is an arithmetic number, because the mean of its divisors is an integer number (231468984).

Almost surely, 21230123022 is an apocalyptic number.

1230123022 is a deficient number, since it is larger than the sum of its proper divisors (621628850).

1230123022 is a wasteful number, since it uses less digits than its factorization.

1230123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189114.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1230123022 is about 35073.1096710856. The cubic root of 1230123022 is about 1071.4769895969.

Adding to 1230123022 its reverse (2203210321), we get a palindrome (3433333343).

The spelling of 1230123022 in words is "one billion, two hundred thirty million, one hundred twenty-three thousand, twenty-two".

Divisors: 1 2 281 562 2188831 4377662 615061511 1230123022