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213242421410 = 251091567124847
BaseRepresentation
bin1100011010011000111…
…1010010000010100010
3202101102020020101121122
43012212033102002202
511443210024441120
6241543501052242
721256226450414
oct3064617220242
9671366211548
10213242421410
1182487873427
12353b2557082
13171549abba5
14a46cb129b4
155830d0ea25
hex31a63d20a2

213242421410 has 32 divisors (see below), whose sum is σ = 387608094720. Its totient is φ = 84459817152.

The previous prime is 213242421401. The next prime is 213242421481. The reversal of 213242421410 is 14124242312.

213242421410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213242421410.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645607 + ... + 1770453.

It is an arithmetic number, because the mean of its divisors is an integer number (12112752960).

Almost surely, 2213242421410 is an apocalyptic number.

213242421410 is a deficient number, since it is larger than the sum of its proper divisors (174365673310).

213242421410 is a wasteful number, since it uses less digits than its factorization.

213242421410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126530.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 213242421410 its reverse (14124242312), we get a palindrome (227366663722).

The spelling of 213242421410 in words is "two hundred thirteen billion, two hundred forty-two million, four hundred twenty-one thousand, four hundred ten".

Divisors: 1 2 5 10 109 218 545 1090 1567 3134 7835 15670 124847 170803 249694 341606 624235 854015 1248470 1708030 13608323 27216646 68041615 136083230 195635249 391270498 978176245 1956352490 21324242141 42648484282 106621210705 213242421410