Base | Representation |
---|---|
bin | 11101011001101011101… |
… | …00010001011101100101 |
3 | 10120120112222112212222010 |
4 | 32230311310101131211 |
5 | 113022412333210041 |
6 | 2052031101024433 |
7 | 132662125050501 |
oct | 16546564213545 |
9 | 3516488485863 |
10 | 1010220210021 |
11 | 35a482a76a60 |
12 | 143954855119 |
13 | 743567981a9 |
14 | 36c7592d301 |
15 | 1b428b21a16 |
hex | eb35d11765 |
1010220210021 has 32 divisors (see below), whose sum is σ = 1533434047488. Its totient is φ = 585583194240.
The previous prime is 1010220210017. The next prime is 1010220210031. The reversal of 1010220210021 is 1200120220101.
It is not a de Polignac number, because 1010220210021 - 22 = 1010220210017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1010220209979 and 1010220210006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010220210031) 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, 9584610 + ... + 9689436.
It is an arithmetic number, because the mean of its divisors is an integer number (47919813984).
Almost surely, 21010220210021 is an apocalyptic number.
1010220210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1010220210021 is a deficient number, since it is larger than the sum of its proper divisors (523213837467).
1010220210021 is a wasteful number, since it uses less digits than its factorization.
1010220210021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117561.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1010220210021 its reverse (1200120220101), we get a palindrome (2210340430122).
The spelling of 1010220210021 in words is "one trillion, ten billion, two hundred twenty million, two hundred ten thousand, twenty-one".
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