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21033110230 = 2511337567389
BaseRepresentation
bin10011100101101010…
…111100101011010110
32000021211111201001121
4103211222330223112
5321033434011410
613355032314154
71343135326036
oct234552745326
960254451047
1021033110230
118a13708030
1240abb4295a
131ca2738672
1410375b18c6
158317dc9da
hex4e5abcad6

21033110230 has 32 divisors (see below), whose sum is σ = 41424009120. Its totient is φ = 7625694720.

The previous prime is 21033110191. The next prime is 21033110251. The reversal of 21033110230 is 3201133012.

It is a congruent number.

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, 246625 + ... + 320764.

It is an arithmetic number, because the mean of its divisors is an integer number (1294500285).

Almost surely, 221033110230 is an apocalyptic number.

21033110230 is a deficient number, since it is larger than the sum of its proper divisors (20390898890).

21033110230 is a wasteful number, since it uses less digits than its factorization.

21033110230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567744.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21033110230 its reverse (3201133012), we get a palindrome (24234243242).

The spelling of 21033110230 in words is "twenty-one billion, thirty-three million, one hundred ten thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 337 674 1685 3370 3707 7414 18535 37070 567389 1134778 2836945 5673890 6241279 12482558 31206395 62412790 191210093 382420186 956050465 1912100930 2103311023 4206622046 10516555115 21033110230