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212213203130 = 25659116327689
BaseRepresentation
bin1100010110100011100…
…1001000000010111010
3202021202111120200120002
43011220321020002322
511434103040000010
6241253413233002
721221561315135
oct3055071100272
9667674520502
10212213203130
1181aa9903505
1235165932762
131701c6b17a6
14a3b215b21c
1557c07ab1a5
hex3168e480ba

212213203130 has 32 divisors (see below), whose sum is σ = 382906180800. Its totient is φ = 84680536192.

The previous prime is 212213203117. The next prime is 212213203177. The reversal of 212213203130 is 31302312212.

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, 7650326 + ... + 7678014.

It is an arithmetic number, because the mean of its divisors is an integer number (11965818150).

Almost surely, 2212213203130 is an apocalyptic number.

212213203130 is a deficient number, since it is larger than the sum of its proper divisors (170692977670).

212213203130 is a wasteful number, since it uses less digits than its factorization.

212213203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29518.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212213203130 its reverse (31302312212), we get a palindrome (243515515342).

The spelling of 212213203130 in words is "two hundred twelve billion, two hundred thirteen million, two hundred three thousand, one hundred thirty".

Divisors: 1 2 5 10 659 1163 1318 2326 3295 5815 6590 11630 27689 55378 138445 276890 766417 1532834 3832085 7664170 18247051 32202307 36494102 64404614 91235255 161011535 182470510 322023070 21221320313 42442640626 106106601565 212213203130