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210023234242434 = 23251634922597037
BaseRepresentation
bin101111110000001111011000…
…010001011000011110000010
31000112122000200022012010012100
4233300033120101120132002
5210012010040431224214
62022403201501011230
762144451350534214
oct5760173021303602
91015560608163170
10210023234242434
1160a13398487618
121b67bab0253b16
13902614bb8c842
1439c12707b85b4
1519432bdb62309
hexbf03d8458782

210023234242434 has 24 divisors (see below), whose sum is σ = 455051242280700. Its totient is φ = 70007606067168.

The previous prime is 210023234242433. The next prime is 210023234242439. The reversal of 210023234242434 is 434242432320012.

210023234242434 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 232 + 342 + 42 + 43 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 204635742959025 + 5387491283409 = 14305095^2 + 2321097^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210023234242433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2004237 + ... + 20592800.

Almost surely, 2210023234242434 is an apocalyptic number.

210023234242434 is an abundant number, since it is smaller than the sum of its proper divisors (245028008038266).

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

210023234242434 is a wasteful number, since it uses less digits than its factorization.

210023234242434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23113394 (or 23113391 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 210023234242434 its reverse (434242432320012), we get a palindrome (644265666562446).

The spelling of 210023234242434 in words is "two hundred ten trillion, twenty-three billion, two hundred thirty-four million, two hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 516349 1032698 1549047 3098094 4647141 9294282 22597037 45194074 67791111 135582222 203373333 406746666 11667957457913 23335914915826 35003872373739 70007744747478 105011617121217 210023234242434