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205430231402052 = 223150831134998737
BaseRepresentation
bin101110101101011001110011…
…111110000000011001000100
3222221100221100001000220021220
4232231121303332000121010
5203411232103214331202
62004525202342040340
761161562432542246
oct5655316376003104
9887327301026256
10205430231402052
115a502521086aa8
121b059908a190b0
138a81cabc86a57
1438a2c3a612096
1518b3aa2291abc
hexbad673f80644

205430231402052 has 24 divisors (see below), whose sum is σ = 479368986991776. Its totient is φ = 68472203745408.

The previous prime is 205430231402021. The next prime is 205430231402089. The reversal of 205430231402052 is 250204132034502.

205430231402052 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 567318373 + ... + 567680364.

It is an arithmetic number, because the mean of its divisors is an integer number (19973707791324).

Almost surely, 2205430231402052 is an apocalyptic number.

It is an amenable number.

205430231402052 is an abundant number, since it is smaller than the sum of its proper divisors (273938755589724).

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

205430231402052 is a wasteful number, since it uses less digits than its factorization.

205430231402052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135013827 (or 1135013825 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 205430231402052 its reverse (250204132034502), we get a palindrome (455634363436554).

The spelling of 205430231402052 in words is "two hundred five trillion, four hundred thirty billion, two hundred thirty-one million, four hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 15083 30166 45249 60332 90498 180996 1134998737 2269997474 3404996211 4539994948 6809992422 13619984844 17119185950171 34238371900342 51357557850513 68476743800684 102715115701026 205430231402052