Search a number
-
+
1232130112 = 2634575569
BaseRepresentation
bin100100101110000…
…1101000001000000
310011212110200202121
41021130031001000
510010411130422
6322132454024
742350635033
oct11134150100
93155420677
101232130112
11582561654
122a477a314
13168363b95
14b98d501a
15732858c7
hex4970d040

1232130112 has 28 divisors (see below), whose sum is σ = 2446154620. Its totient is φ = 615776256.

The previous prime is 1232130089. The next prime is 1232130139. The reversal of 1232130112 is 2110312321.

It can be written as a sum of positive squares in 2 ways, for example, as 94012416 + 1138117696 = 9696^2 + 33736^2 .

It is a super-2 number, since 2×12321301122 = 3036289225794265088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218464 + ... + 224032.

It is an arithmetic number, because the mean of its divisors is an integer number (87362665).

Almost surely, 21232130112 is an apocalyptic number.

It is an amenable number.

1232130112 is a deficient number, since it is larger than the sum of its proper divisors (1214024508).

1232130112 is an equidigital number, since it uses as much as digits as its factorization.

1232130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1232130112 is about 35101.7109554506. The cubic root of 1232130112 is about 1072.0594197405.

Adding to 1232130112 its reverse (2110312321), we get a palindrome (3342442433).

The spelling of 1232130112 in words is "one billion, two hundred thirty-two million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 3457 5569 6914 11138 13828 22276 27656 44552 55312 89104 110624 178208 221248 356416 19252033 38504066 77008132 154016264 308032528 616065056 1232130112