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21301112030 = 25111723471931
BaseRepresentation
bin10011110101101001…
…010010110011011110
32000222111210121102012
4103311221102303132
5322111041041110
613441404431222
71352601315302
oct236551226336
960874717365
1021301112030
119040a16820
124165848512
132016111b03
141061015d02
1584a0ca905
hex4f5a52cde

21301112030 has 96 divisors (see below), whose sum is σ = 44583944832. Its totient is φ = 7265446400.

The previous prime is 21301112011. The next prime is 21301112069. The reversal of 21301112030 is 3021110312.

It is a super-2 number, since 2×213011120302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21301111996 and 21301112014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11030165 + ... + 11032095.

It is an arithmetic number, because the mean of its divisors is an integer number (464416092).

Almost surely, 221301112030 is an apocalyptic number.

21301112030 is an abundant number, since it is smaller than the sum of its proper divisors (23282832802).

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

21301112030 is a wasteful number, since it uses less digits than its factorization.

21301112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21301112030 its reverse (3021110312), we get a palindrome (24322222342).

It can be divided in two parts, 21301 and 112030, that added together give a palindrome (133331).

The spelling of 21301112030 in words is "twenty-one billion, three hundred one million, one hundred twelve thousand, thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 289 347 374 578 694 935 1445 1735 1870 1931 2890 3179 3470 3817 3862 5899 6358 7634 9655 11798 15895 19085 19310 21241 29495 31790 32827 38170 42482 58990 64889 65654 100283 106205 129778 164135 200566 212410 324445 328270 361097 501415 558059 648890 670057 722194 1002830 1103113 1116118 1340114 1805485 2206226 2790295 3350285 3610970 5515565 5580590 6138649 6700570 7370627 11031130 11390969 12277298 14741254 22781938 30693245 36853135 56954845 61386490 73706270 113909690 125300659 193646473 250601318 387292946 626503295 968232365 1253006590 1936464730 2130111203 4260222406 10650556015 21301112030