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121310210030200 = 23521496940520479
BaseRepresentation
bin11011100101010010111011…
…111110011111101001111000
3120220112010212010002202120021
4123211102323332133221320
5111400021302231431300
61110001050252540224
734360242043531462
oct3345227376375170
9526463763082507
10121310210030200
113572040a014194
1211732893a81674
13528c67189b0a9
1421d5634611132
15e05854ac4d1a
hex6e54bbf9fa78

121310210030200 has 48 divisors (see below), whose sum is σ = 282065087304000. Its totient is φ = 48520841176320.

The previous prime is 121310210030197. The next prime is 121310210030257. The reversal of 121310210030200 is 2030012013121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17266440 + ... + 23254039.

It is an arithmetic number, because the mean of its divisors is an integer number (5876355985500).

Almost surely, 2121310210030200 is an apocalyptic number.

121310210030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121310210030200 is an abundant number, since it is smaller than the sum of its proper divisors (160754877273800).

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

121310210030200 is a wasteful number, since it uses less digits than its factorization.

121310210030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40535464 (or 40535455 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121310210030200 its reverse (2030012013121), we get a palindrome (123340222043321).

The spelling of 121310210030200 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred ten million, thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 14969 29938 59876 74845 119752 149690 299380 374225 598760 748450 1496900 2993800 40520479 81040958 162081916 202602395 324163832 405204790 810409580 1013011975 1620819160 2026023950 4052047900 8104095800 606551050151 1213102100302 2426204200604 3032755250755 4852408401208 6065510501510 12131021003020 15163776253775 24262042006040 30327552507550 60655105015100 121310210030200