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230421145212 = 223241243731213
BaseRepresentation
bin1101011010011000101…
…0111010011001111100
3211000202110000222111100
43112212022322121330
512233400303121322
6253504244453100
722435023263316
oct3264612723174
9730673028440
10230421145212
11897a2802925
12387a76aa190
1318961a1a30b
14b21c4367b6
155ed903bdac
hex35a62ba67c

230421145212 has 216 divisors, whose sum is σ = 619768861712. Its totient is φ = 72128931840.

The previous prime is 230421145043. The next prime is 230421145223. The reversal of 230421145212 is 212541124032.

230421145212 is a `hidden beast` number, since 2 + 304 + 2 + 1 + 145 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 189959118 + ... + 189960330.

Almost surely, 2230421145212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230421145212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309884430856).

230421145212 is an abundant number, since it is smaller than the sum of its proper divisors (389347716500).

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

230421145212 is a wasteful number, since it uses less digits than its factorization.

230421145212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 230421145212 its reverse (212541124032), we get a palindrome (442962269244).

The spelling of 230421145212 in words is "two hundred thirty billion, four hundred twenty-one million, one hundred forty-five thousand, two hundred twelve".