Base | Representation |
---|---|
bin | 11101101100010010101… |
… | …00000111011101111010 |
3 | 10121112100020222122222102 |
4 | 32312021110013131322 |
5 | 113203343004014320 |
6 | 2100402314223402 |
7 | 133464531266552 |
oct | 16661124073572 |
9 | 3545306878872 |
10 | 1020211001210 |
11 | 36373a571285 |
12 | 145882724b62 |
13 | 752895acc5b |
14 | 37542776162 |
15 | 1b810cb1175 |
hex | ed8950777a |
1020211001210 has 32 divisors (see below), whose sum is σ = 1843407320832. Its totient is φ = 406523574720.
The previous prime is 1020211001189. The next prime is 1020211001221. The reversal of 1020211001210 is 121001120201.
It is a junction number, because it is equal to n+sod(n) for n = 1020211001191 and 1020211001200.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9970127 + ... + 10071933.
It is an arithmetic number, because the mean of its divisors is an integer number (57606478776).
Almost surely, 21020211001210 is an apocalyptic number.
1020211001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020211001210 is a deficient number, since it is larger than the sum of its proper divisors (823196319622).
1020211001210 is a wasteful number, since it uses less digits than its factorization.
1020211001210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105638.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 1020211001210 its reverse (121001120201), we get a palindrome (1141212121411).
The spelling of 1020211001210 in words is "one trillion, twenty billion, two hundred eleven million, one thousand, two hundred ten".
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