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121313336 = 23131115757
BaseRepresentation
bin1110011101100…
…01100000111000
322110021100121112
413032301200320
5222024011321
620012055452
73002101124
oct716614070
9273240545
10121313336
1162529561
1234764588
131c196951
141217c584
15a9b4a5b
hex73b1838

121313336 has 16 divisors (see below), whose sum is σ = 229200840. Its totient is φ = 60193120.

The previous prime is 121313317. The next prime is 121313359. The reversal of 121313336 is 633313121.

It is a happy number.

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, 56831 + ... + 58926.

Almost surely, 2121313336 is an apocalyptic number.

It is an amenable number.

121313336 is a deficient number, since it is larger than the sum of its proper divisors (107887504).

121313336 is a wasteful number, since it uses less digits than its factorization.

121313336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115894 (or 115890 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

The square root of 121313336 is about 11014.2333369146. The cubic root of 121313336 is about 495.0353149651.

Adding to 121313336 its reverse (633313121), we get a palindrome (754626457).

The spelling of 121313336 in words is "one hundred twenty-one million, three hundred thirteen thousand, three hundred thirty-six".

Divisors: 1 2 4 8 131 262 524 1048 115757 231514 463028 926056 15164167 30328334 60656668 121313336