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121013242 = 27217193823
BaseRepresentation
bin1110011011010…
…00001111111010
322102201002221221
413031220033322
5221434410432
620001422254
72666411200
oct715501772
9272632857
10121013242
1162344049
123463a98a
131c0c018c
1412101070
15a955b97
hex73683fa

121013242 has 48 divisors (see below), whose sum is σ = 235405440. Its totient is φ = 46230912.

The previous prime is 121013239. The next prime is 121013287. The reversal of 121013242 is 242310121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29743 + ... + 33565.

It is an arithmetic number, because the mean of its divisors is an integer number (4904280).

Almost surely, 2121013242 is an apocalyptic number.

121013242 is a deficient number, since it is larger than the sum of its proper divisors (114392198).

121013242 is a wasteful number, since it uses less digits than its factorization.

121013242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121013242 is about 11000.6018926239. The cubic root of 121013242 is about 494.6267866667.

Adding to 121013242 its reverse (242310121), we get a palindrome (363323363).

The spelling of 121013242 in words is "one hundred twenty-one million, thirteen thousand, two hundred forty-two".

Divisors: 1 2 7 14 17 19 34 38 49 98 119 133 238 266 323 646 833 931 1666 1862 2261 3823 4522 7646 15827 26761 31654 53522 64991 72637 129982 145274 187327 374654 454937 508459 909874 1016918 1234829 2469658 3184559 3559213 6369118 7118426 8643803 17287606 60506621 121013242