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121313200 = 2452303283
BaseRepresentation
bin1110011101100…
…01011110110000
322110021100102111
413032301132300
5222024010300
620012055104
73002100541
oct716613660
9273240374
10121313200
1162529448
1234764494
131c196878
141217c4c8
15a9b49ba
hex73b17b0

121313200 has 30 divisors (see below), whose sum is σ = 291455924. Its totient is φ = 48525120.

The previous prime is 121313197. The next prime is 121313243. The reversal of 121313200 is 2313121.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151242 + ... + 152041.

Almost surely, 2121313200 is an apocalyptic number.

121313200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121313200 is an abundant number, since it is smaller than the sum of its proper divisors (170142724).

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

121313200 is a wasteful number, since it uses less digits than its factorization.

121313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303301 (or 303290 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121313200 is about 11014.2271630832. The cubic root of 121313200 is about 495.0351299763.

Adding to 121313200 its reverse (2313121), we get a palindrome (123626321).

The spelling of 121313200 in words is "one hundred twenty-one million, three hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 303283 606566 1213132 1516415 2426264 3032830 4852528 6065660 7582075 12131320 15164150 24262640 30328300 60656600 121313200