Base | Representation |
---|---|
bin | 11101011001010010101… |
… | …11000000100011110101 |
3 | 10120120000102021200121110 |
4 | 32230221113000203311 |
5 | 113022000332241041 |
6 | 2051554233305233 |
7 | 132654006436050 |
oct | 16545127004365 |
9 | 3516012250543 |
10 | 1010011212021 |
11 | 35a385aa8739 |
12 | 1438b6865219 |
13 | 743223b0436 |
14 | 36c55c87a97 |
15 | 1b4155db516 |
hex | eb295c08f5 |
1010011212021 has 32 divisors (see below), whose sum is σ = 1540739128320. Its totient is φ = 576521738496.
The previous prime is 1010011212019. The next prime is 1010011212043. The reversal of 1010011212021 is 1202121100101.
1010011212021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1010011212021 - 21 = 1010011212019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1010011211988 and 1010011212006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010011214021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84591670 + ... + 84603608.
It is an arithmetic number, because the mean of its divisors is an integer number (48148097760).
Almost surely, 21010011212021 is an apocalyptic number.
It is an amenable number.
1010011212021 is a deficient number, since it is larger than the sum of its proper divisors (530727916299).
1010011212021 is a wasteful number, since it uses less digits than its factorization.
1010011212021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15993.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 1010011212021 its reverse (1202121100101), we get a palindrome (2212132312122).
The spelling of 1010011212021 in words is "one trillion, ten billion, eleven million, two hundred twelve thousand, twenty-one".
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