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20121211114 = 2291078293911
BaseRepresentation
bin10010101111010100…
…010101000011101010
31220221021121102122021
4102233110111003222
5312202012223424
613124335215054
71311423321034
oct225724250352
956837542567
1020121211114
1185959987a4
123a9667748a
131b88836ba4
14d8c438c54
157cb7104e4
hex4af5150ea

20121211114 has 32 divisors (see below), whose sum is σ = 31560451200. Its totient is φ = 9608840640.

The previous prime is 20121211087. The next prime is 20121211139. The reversal of 20121211114 is 41111212102.

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 15 ways as a sum of consecutive naturals, for example, 5142819 + ... + 5146729.

It is an arithmetic number, because the mean of its divisors is an integer number (986264100).

Almost surely, 220121211114 is an apocalyptic number.

20121211114 is a deficient number, since it is larger than the sum of its proper divisors (11439240086).

20121211114 is a wasteful number, since it uses less digits than its factorization.

20121211114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20121211114 its reverse (41111212102), we get a palindrome (61232423216).

The spelling of 20121211114 in words is "twenty billion, one hundred twenty-one million, two hundred eleven thousand, one hundred fourteen".

Divisors: 1 2 29 58 107 214 829 1658 3103 3911 6206 7822 24041 48082 88703 113419 177406 226838 418477 836954 2572387 3242219 5144774 6484438 12135833 24271666 94024351 188048702 346917433 693834866 10060605557 20121211114