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121413112 = 2331677307
BaseRepresentation
bin1110011110010…
…01110111111000
322110110102110221
413033021313320
5222040204422
620014145424
73002665042
oct717116770
9273412427
10121413112
1162597517
12347b2274
131c2001a2
14121a6a92
15a9d43c7
hex73c9df8

121413112 has 32 divisors (see below), whose sum is σ = 238533120. Its totient is φ = 57863520.

The previous prime is 121413077. The next prime is 121413121. The reversal of 121413112 is 211314121.

It is a super-2 number, since 2×1214131122 = 29482287531049088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12963 + ... + 20269.

It is an arithmetic number, because the mean of its divisors is an integer number (7454160).

Almost surely, 2121413112 is an apocalyptic number.

It is an amenable number.

121413112 is a deficient number, since it is larger than the sum of its proper divisors (117120008).

121413112 is a wasteful number, since it uses less digits than its factorization.

121413112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411 (or 7407 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 121413112 is about 11018.7618179177. The cubic root of 121413112 is about 495.1709942183.

Adding to 121413112 its reverse (211314121), we get a palindrome (332727233).

The spelling of 121413112 in words is "one hundred twenty-one million, four hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 31 62 67 124 134 248 268 536 2077 4154 7307 8308 14614 16616 29228 58456 226517 453034 489569 906068 979138 1812136 1958276 3916552 15176639 30353278 60706556 121413112