Base | Representation |
---|---|
bin | 10110111101110000100111… |
… | …011001110001011001010001 |
3 | 111020121121112011011102002221 |
4 | 112331300213121301121101 |
5 | 101214300234133000311 |
6 | 554451134215141041 |
7 | 30163042465554106 |
oct | 2675604731613121 |
9 | 436547464142087 |
10 | 101001112000081 |
11 | 2a2003706a31a7 |
12 | b3b2838074781 |
13 | 44484969044a7 |
14 | 1ad26a0bdcaad |
15 | ba240d98c671 |
hex | 5bdc27671651 |
101001112000081 has 2 divisors, whose sum is σ = 101001112000082. Its totient is φ = 101001112000080.
The previous prime is 101001112000079. The next prime is 101001112000123. The reversal of 101001112000081 is 180000211100101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 94150460109456 + 6850651890625 = 9703116^2 + 2617375^2 .
It is a cyclic number.
It is not a de Polignac number, because 101001112000081 - 21 = 101001112000079 is a prime.
It is a super-2 number, since 2×1010011120000812 (a number of 29 digits) contains 22 as substring.
Together with 101001112000079, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (101001112000021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500556000040 + 50500556000041.
It is an arithmetic number, because the mean of its divisors is an integer number (50500556000041).
Almost surely, 2101001112000081 is an apocalyptic number.
It is an amenable number.
101001112000081 is a deficient number, since it is larger than the sum of its proper divisors (1).
101001112000081 is an equidigital number, since it uses as much as digits as its factorization.
101001112000081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 16.
Adding to 101001112000081 its reverse (180000211100101), we get a palindrome (281001323100182).
The spelling of 101001112000081 in words is "one hundred one trillion, one billion, one hundred twelve million, eighty-one", and thus it is an aban number.
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