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205050224154 = 23197229757543
BaseRepresentation
bin1011111011110111110…
…0100001111000011010
3201121021022011122122110
42332331330201320122
511324420324133104
6234110533533150
720546223101406
oct2767574417032
9647238148573
10205050224154
1179a63562376
12338a6aa41b6
131644a6b41a9
149cd2ad8106
1555019ebe89
hex2fbdf21e1a

205050224154 has 32 divisors (see below), whose sum is σ = 413982645120. Its totient is φ = 67706073792.

The previous prime is 205050224143. The next prime is 205050224177. The reversal of 205050224154 is 451422050502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108094 + ... + 649449.

It is an arithmetic number, because the mean of its divisors is an integer number (12936957660).

Almost surely, 2205050224154 is an apocalyptic number.

205050224154 is an abundant number, since it is smaller than the sum of its proper divisors (208932420966).

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

205050224154 is a wasteful number, since it uses less digits than its factorization.

205050224154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757974.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 205050224154 its reverse (451422050502), we get a palindrome (656472274656).

The spelling of 205050224154 in words is "two hundred five billion, fifty million, two hundred twenty-four thousand, one hundred fifty-four".

Divisors: 1 2 3 6 197 229 394 458 591 687 1182 1374 45113 90226 135339 270678 757543 1515086 2272629 4545258 149235971 173477347 298471942 346954694 447707913 520432041 895415826 1040864082 34175037359 68350074718 102525112077 205050224154