Search a number
-
+
205323342246 = 2321138570137
BaseRepresentation
bin1011111100111000111…
…0011001000110100110
3201121222100002111020100
42333032032121012212
511331000233422441
6234154011444530
720556050420151
oct2771616310646
9647870074210
10205323342246
117a093746000
1233962456746
131649215c329
149d1b0b0c98
15551a99acb6
hex2fce3991a6

205323342246 has 48 divisors (see below), whose sum is σ = 489320599248. Its totient is φ = 62219187360.

The previous prime is 205323342223. The next prime is 205323342253. The reversal of 205323342246 is 642243323502.

205323342246 is a `hidden beast` number, since 2 + 0 + 53 + 23 + 342 + 246 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 205323342246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4261111 + ... + 4309026.

It is an arithmetic number, because the mean of its divisors is an integer number (10194179151).

Almost surely, 2205323342246 is an apocalyptic number.

205323342246 is an abundant number, since it is smaller than the sum of its proper divisors (283997257002).

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

205323342246 is a wasteful number, since it uses less digits than its factorization.

205323342246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570178 (or 8570153 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 205323342246 its reverse (642243323502), we get a palindrome (847566665748).

The spelling of 205323342246 in words is "two hundred five billion, three hundred twenty-three million, three hundred forty-two thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 1331 2178 2662 3993 7986 11979 23958 8570137 17140274 25710411 51420822 77131233 94271507 154262466 188543014 282814521 565629042 848443563 1036986577 1696887126 2073973154 3110959731 6221919462 9332879193 11406852347 18665758386 22813704694 34220557041 68441114082 102661671123 205323342246