Base | Representation |
---|---|
bin | 11110101111000110000… |
… | …001001110110110111001 |
3 | 21110220211110000210000102 |
4 | 132233012001032312321 |
5 | 234101141143412410 |
6 | 4254150413245145 |
7 | 305412034404566 |
oct | 36570601166671 |
9 | 7426743023012 |
10 | 2112151154105 |
11 | 744838298903 |
12 | 2a14231937b5 |
13 | 12423761c915 |
14 | 7432b63786d |
15 | 39e1dd942a5 |
hex | 1ebc604edb9 |
2112151154105 has 8 divisors (see below), whose sum is σ = 2547317976000. Its totient is φ = 1681229862576.
The previous prime is 2112151154021. The next prime is 2112151154111. The reversal of 2112151154105 is 5014511512112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2112151154105 - 210 = 2112151153081 is a prime.
It is a super-2 number, since 2×21121511541052 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061381495 + ... + 1061383484.
It is an arithmetic number, because the mean of its divisors is an integer number (318414747000).
Almost surely, 22112151154105 is an apocalyptic number.
It is an amenable number.
2112151154105 is a deficient number, since it is larger than the sum of its proper divisors (435166821895).
2112151154105 is a wasteful number, since it uses less digits than its factorization.
2112151154105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2122765183.
The product of its (nonzero) digits is 2000, while the sum is 29.
Adding to 2112151154105 its reverse (5014511512112), we get a palindrome (7126662666217).
The spelling of 2112151154105 in words is "two trillion, one hundred twelve billion, one hundred fifty-one million, one hundred fifty-four thousand, one hundred five".
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