Base | Representation |
---|---|
bin | 11101011101011000111… |
… | …10100010111101001101 |
3 | 10120202200201120122211022 |
4 | 32232230132202331031 |
5 | 113041002004100323 |
6 | 2053000414403525 |
7 | 133062350365334 |
oct | 16565436427515 |
9 | 3522621518738 |
10 | 1012211003213 |
11 | 3603047a5393 |
12 | 14420b5005a5 |
13 | 745b306aa27 |
14 | 36dc40acd1b |
15 | 1b4e37b64c8 |
hex | ebac7a2f4d |
1012211003213 has 32 divisors (see below), whose sum is σ = 1118668320000. Its totient is φ = 912080010240.
The previous prime is 1012211003203. The next prime is 1012211003231. The reversal of 1012211003213 is 3123001122101.
It is a cyclic number.
It is not a de Polignac number, because 1012211003213 - 24 = 1012211003197 is a prime.
It is a super-2 number, since 2×10122110032132 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1012211003191 and 1012211003200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012211003203) 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, 50729963 + ... + 50749911.
It is an arithmetic number, because the mean of its divisors is an integer number (34958385000).
Almost surely, 21012211003213 is an apocalyptic number.
It is an amenable number.
1012211003213 is a deficient number, since it is larger than the sum of its proper divisors (106457316787).
1012211003213 is a wasteful number, since it uses less digits than its factorization.
1012211003213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21365.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1012211003213 its reverse (3123001122101), we get a palindrome (4135212125314).
The spelling of 1012211003213 in words is "one trillion, twelve billion, two hundred eleven million, three thousand, two hundred thirteen".
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