Base | Representation |
---|---|
bin | 11110111111110101001… |
… | …111100100101110001011 |
3 | 21112122012221210222212102 |
4 | 132333311033210232023 |
5 | 234344443031441021 |
6 | 4310322023104015 |
7 | 306616304256452 |
oct | 36776517445613 |
9 | 7478187728772 |
10 | 2130123312011 |
11 | 751420094072 |
12 | 2a49b9ba200b |
13 | 125b3cb52496 |
14 | 75154497b99 |
15 | 3a621a9d00b |
hex | 1eff53e4b8b |
2130123312011 has 8 divisors (see below), whose sum is σ = 2172199970304. Its totient is φ = 2088116492800.
The previous prime is 2130123311969. The next prime is 2130123312013. The reversal of 2130123312011 is 1102133210312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2130123312011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2130123312013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17398166 + ... + 17520171.
It is an arithmetic number, because the mean of its divisors is an integer number (271524996288).
Almost surely, 22130123312011 is an apocalyptic number.
2130123312011 is a deficient number, since it is larger than the sum of its proper divisors (42076658293).
2130123312011 is a wasteful number, since it uses less digits than its factorization.
2130123312011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34919541.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 2130123312011 its reverse (1102133210312), we get a palindrome (3232256522323).
The spelling of 2130123312011 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, three hundred twelve thousand, eleven".
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