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121441982 = 21715312333
BaseRepresentation
bin1110011110100…
…00111010111110
322110111220002012
413033100322332
5222042120412
620014531222
73003145154
oct717207276
9273456065
10121441982
1162607182
1234806b12
131c21037c
14121b33d4
15a9dcc22
hex73d0ebe

121441982 has 16 divisors (see below), whose sum is σ = 193087152. Its totient is φ = 57087360.

The previous prime is 121441967. The next prime is 121442011. The reversal of 121441982 is 289144121.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50888 + ... + 53220.

It is an arithmetic number, because the mean of its divisors is an integer number (12067947).

Almost surely, 2121441982 is an apocalyptic number.

121441982 is a deficient number, since it is larger than the sum of its proper divisors (71645170).

121441982 is a wasteful number, since it uses less digits than its factorization.

121441982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883.

The product of its digits is 4608, while the sum is 32.

The square root of 121441982 is about 11020.0717783506. The cubic root of 121441982 is about 495.2102388914.

The spelling of 121441982 in words is "one hundred twenty-one million, four hundred forty-one thousand, nine hundred eighty-two".

Divisors: 1 2 17 34 1531 2333 3062 4666 26027 39661 52054 79322 3571823 7143646 60720991 121441982