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21343014230 = 25311091913307
BaseRepresentation
bin10011111000001001…
…001000110101010110
32001002102122110102112
4103320021020311112
5322202302423410
613445502511022
71353620425166
oct237011106526
961072573375
1021343014230
11906263653a
124177895472
1320219c3405
1410668025a6
1584db06105
hex4f8248d56

21343014230 has 64 divisors (see below), whose sum is σ = 40242216960. Its totient is φ = 8140694400.

The previous prime is 21343014163. The next prime is 21343014247. The reversal of 21343014230 is 3241034312.

It is a junction number, because it is equal to n+sod(n) for n = 21343014196 and 21343014205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6452237 + ... + 6455543.

It is an arithmetic number, because the mean of its divisors is an integer number (628784640).

Almost surely, 221343014230 is an apocalyptic number.

21343014230 is a deficient number, since it is larger than the sum of its proper divisors (18899202730).

21343014230 is a wasteful number, since it uses less digits than its factorization.

21343014230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21343014230 its reverse (3241034312), we get a palindrome (24584048542).

The spelling of 21343014230 in words is "twenty-one billion, three hundred forty-three million, fourteen thousand, two hundred thirty".

Divisors: 1 2 5 10 31 62 109 155 191 218 310 382 545 955 1090 1910 3307 3379 5921 6614 6758 11842 16535 16895 20819 29605 33070 33790 41638 59210 102517 104095 205034 208190 360463 512585 631637 645389 720926 1025170 1263274 1290778 1802315 3158185 3226945 3604630 6316370 6453890 11174353 19580747 22348706 39161494 55871765 68848433 97903735 111743530 137696866 195807470 344242165 688484330 2134301423 4268602846 10671507115 21343014230