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121013343 = 32118591423
BaseRepresentation
bin1110011011010…
…00010001011111
322102201010002200
413031220101133
5221434411333
620001422543
72666411403
oct715502137
9272633080
10121013343
1162344130
123463aa53
131c0c0239
1412101103
15a955c13
hex736845f

121013343 has 24 divisors (see below), whose sum is σ = 191043840. Its totient is φ = 73204560.

The previous prime is 121013311. The next prime is 121013351. The reversal of 121013343 is 343310121.

It is not a de Polignac number, because 121013343 - 25 = 121013311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84330 + ... + 85752.

It is an arithmetic number, because the mean of its divisors is an integer number (7960160).

Almost surely, 2121013343 is an apocalyptic number.

121013343 is a deficient number, since it is larger than the sum of its proper divisors (70030497).

121013343 is a wasteful number, since it uses less digits than its factorization.

121013343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2296 counting only the distinct ones).

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

The square root of 121013343 is about 11000.6064832808. The cubic root of 121013343 is about 494.6269242750.

Adding to 121013343 its reverse (343310121), we get a palindrome (464323464).

The spelling of 121013343 in words is "one hundred twenty-one million, thirteen thousand, three hundred forty-three".

Divisors: 1 3 9 11 33 99 859 1423 2577 4269 7731 9449 12807 15653 28347 46959 85041 140877 1222357 3667071 11001213 13445927 40337781 121013343