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206152642330 = 25191085013907
BaseRepresentation
bin1011111111111110100…
…1111010111100011010
3201201010010120022002021
42333333221322330122
511334200034023310
6234412154325054
720615440355515
oct2777751727432
9651103508067
10206152642330
117a479879478
1233b5412978a
1316594c0073b
149d992a5d7c
1555686ae5da
hex2fffa7af1a

206152642330 has 16 divisors (see below), whose sum is σ = 390605006880. Its totient is φ = 78121001232.

The previous prime is 206152642309. The next prime is 206152642361. The reversal of 206152642330 is 33246251602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542506764 + ... + 542507143.

It is an arithmetic number, because the mean of its divisors is an integer number (24412812930).

Almost surely, 2206152642330 is an apocalyptic number.

206152642330 is a deficient number, since it is larger than the sum of its proper divisors (184452364550).

206152642330 is a wasteful number, since it uses less digits than its factorization.

206152642330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085013933.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 206152642330 its reverse (33246251602), we get a palindrome (239398893932).

The spelling of 206152642330 in words is "two hundred six billion, one hundred fifty-two million, six hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1085013907 2170027814 5425069535 10850139070 20615264233 41230528466 103076321165 206152642330