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30120120200 = 2352550327367
BaseRepresentation
bin11100000011010011…
…001000111110001000
32212202010022122022102
4130003103020332020
5443141222321300
621500442412532
72114255540342
oct340323107610
985663278272
1030120120200
1111857028125
125a07201148
132ac0231941
14165a396292
15bb44550d5
hex7034c8f88

30120120200 has 48 divisors (see below), whose sum is σ = 70044564480. Its totient is φ = 12045418560.

The previous prime is 30120120169. The next prime is 30120120203. The reversal of 30120120200 is 202102103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30120120203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086917 + ... + 1114283.

It is an arithmetic number, because the mean of its divisors is an integer number (1459261760).

Almost surely, 230120120200 is an apocalyptic number.

It is an amenable number.

30120120200 is an abundant number, since it is smaller than the sum of its proper divisors (39924444280).

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

30120120200 is a wasteful number, since it uses less digits than its factorization.

30120120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32886 (or 32877 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30120120200 its reverse (202102103), we get a palindrome (30322222303).

The spelling of 30120120200 in words is "thirty billion, one hundred twenty million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 5503 11006 22012 27367 27515 44024 54734 55030 109468 110060 136835 137575 218936 220120 273670 275150 547340 550300 684175 1094680 1100600 1368350 2736700 5473400 150600601 301201202 602402404 753003005 1204804808 1506006010 3012012020 3765015025 6024024040 7530030050 15060060100 30120120200