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121313368 = 23111378561
BaseRepresentation
bin1110011101100…
…01100001011000
322110021100122201
413032301201120
5222024011433
620012055544
73002101201
oct716614130
9273240581
10121313368
1162529590
12347645b4
131c196977
141217c5a8
15a9b4a7d
hex73b1858

121313368 has 16 divisors (see below), whose sum is σ = 248141160. Its totient is φ = 55142400.

The previous prime is 121313359. The next prime is 121313389. The reversal of 121313368 is 863313121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689193 + ... + 689368.

Almost surely, 2121313368 is an apocalyptic number.

It is an amenable number.

121313368 is an abundant number, since it is smaller than the sum of its proper divisors (126827792).

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

121313368 is a wasteful number, since it uses less digits than its factorization.

121313368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378578 (or 1378574 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 121313368 is about 11014.2347895803. The cubic root of 121313368 is about 495.0353584918.

Adding to 121313368 its reverse (863313121), we get a palindrome (984626489).

The spelling of 121313368 in words is "one hundred twenty-one million, three hundred thirteen thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 1378561 2757122 5514244 11028488 15164171 30328342 60656684 121313368