Base | Representation |
---|---|
bin | 11101101100010010101… |
… | …00111010111110110011 |
3 | 10121112100021101101102021 |
4 | 32312021110322332303 |
5 | 113203343032242321 |
6 | 2100402322532311 |
7 | 133464533135662 |
oct | 16661124727663 |
9 | 3545307341367 |
10 | 1020211212211 |
11 | 36373a6a5864 |
12 | 145882807097 |
13 | 75289654cc9 |
14 | 375427ccdd9 |
15 | 1b810d03941 |
hex | ed8953afb3 |
1020211212211 has 8 divisors (see below), whose sum is σ = 1040934099744. Its totient is φ = 999696595200.
The previous prime is 1020211212203. The next prime is 1020211212227. The reversal of 1020211212211 is 1122121120201.
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 1020211212211 - 23 = 1020211212203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1020211212271) 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, 52057735 + ... + 52077328.
It is an arithmetic number, because the mean of its divisors is an integer number (130116762468).
Almost surely, 21020211212211 is an apocalyptic number.
1020211212211 is a deficient number, since it is larger than the sum of its proper divisors (20722887533).
1020211212211 is a wasteful number, since it uses less digits than its factorization.
1020211212211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104135261.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1020211212211 its reverse (1122121120201), we get a palindrome (2142332332412).
The spelling of 1020211212211 in words is "one trillion, twenty billion, two hundred eleven million, two hundred twelve thousand, two hundred eleven".
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