Search a number
-
+
1230110244 = 2232113106339
BaseRepresentation
bin100100101010001…
…1111111000100100
310011201200002000200
41021110133320210
510004402011434
6322021310500
742324523146
oct11124377044
93151602020
101230110244
11581402040
122a3b65430
13167b076ac
14b952ac96
1572ed7199
hex4951fe24

1230110244 has 36 divisors (see below), whose sum is σ = 3392123280. Its totient is φ = 372760560.

The previous prime is 1230110243. The next prime is 1230110257. The reversal of 1230110244 is 4420110321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1230110243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1552774 + ... + 1553565.

Almost surely, 21230110244 is an apocalyptic number.

It is an amenable number.

1230110244 is an abundant number, since it is smaller than the sum of its proper divisors (2162013036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230110244 is a wasteful number, since it uses less digits than its factorization.

1230110244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106360 (or 3106355 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1230110244 is about 35072.9275082648. The cubic root of 1230110244 is about 1071.4732795668.

Adding to 1230110244 its reverse (4420110321), we get a palindrome (5650220565).

The spelling of 1230110244 in words is "one billion, two hundred thirty million, one hundred ten thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 3106339 6212678 9319017 12425356 18638034 27957051 34169729 37276068 55914102 68339458 102509187 111828204 136678916 205018374 307527561 410036748 615055122 1230110244