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121013202030030 = 23252854747100961
BaseRepresentation
bin11011100000111110010100…
…111010111000110111001110
3120212110202020010011001222200
4123200332110322320313032
5111330140014204430110
61105212410400422330
734326625646301522
oct3340762472706716
9525422203131880
10121013202030030
1135616457813722
12116a52046179a6
13526a65a8b24ab
1421c50da9d1d82
15decc6ee296c0
hex6e0f94eb8dce

121013202030030 has 48 divisors (see below), whose sum is σ = 314645353583184. Its totient is φ = 32269056099840.

The previous prime is 121013202029981. The next prime is 121013202030053. The reversal of 121013202030030 is 30030202310121.

121013202030030 is a `hidden beast` number, since 1 + 2 + 10 + 1 + 320 + 2 + 0 + 300 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121013202029985 and 121013202030012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20981251 + ... + 26119710.

It is an arithmetic number, because the mean of its divisors is an integer number (6555111532983).

Almost surely, 2121013202030030 is an apocalyptic number.

121013202030030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013202030030 is an abundant number, since it is smaller than the sum of its proper divisors (193632151553154).

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

121013202030030 is a wasteful number, since it uses less digits than its factorization.

121013202030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47129521 (or 47129518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121013202030030 its reverse (30030202310121), we get a palindrome (151043404340151).

The spelling of 121013202030030 in words is "one hundred twenty-one trillion, thirteen billion, two hundred two million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 28547 57094 85641 142735 171282 256923 285470 428205 513846 856410 1284615 2569230 47100961 94201922 141302883 235504805 282605766 423908649 471009610 706514415 847817298 1413028830 2119543245 4239086490 1344591133667 2689182267334 4033773401001 6722955668335 8067546802002 12101320203003 13445911336670 20168867005005 24202640406006 40337734010010 60506601015015 121013202030030