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1230160206 = 231119251631
BaseRepresentation
bin100100101010010…
…1100000101001110
310011201202121120010
41021110230011032
510004410111311
6322022334050
742325121622
oct11124540516
93151677503
101230160206
11581436630
122a3b8a326
13167b24362
14b9541182
1572ee6da6
hex4952c14e

1230160206 has 48 divisors (see below), whose sum is σ = 2832738048. Its totient is φ = 353149200.

The previous prime is 1230160153. The next prime is 1230160219. The reversal of 1230160206 is 6020610321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1990 + ... + 49641.

It is an arithmetic number, because the mean of its divisors is an integer number (59015376).

Almost surely, 21230160206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230160206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416369024).

1230160206 is an abundant number, since it is smaller than the sum of its proper divisors (1602577842).

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

1230160206 is a wasteful number, since it uses less digits than its factorization.

1230160206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51685 (or 51666 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1230160206 is about 35073.6397597968. The cubic root of 1230160206 is about 1071.4877856442.

Adding to 1230160206 its reverse (6020610321), we get a palindrome (7250770527).

The spelling of 1230160206 in words is "one billion, two hundred thirty million, one hundred sixty thousand, two hundred six".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 361 418 627 722 1083 1254 2166 3971 7942 11913 23826 51631 103262 154893 309786 567941 980989 1135882 1703823 1961978 2942967 3407646 5885934 10790879 18638791 21581758 32372637 37277582 55916373 64745274 111832746 205026701 410053402 615080103 1230160206